Home / 34,313.52-47,353.18-20,885.34

Finding the Fourth Proportional to 34,313.52, 47,353.18 and 20,885.34

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Solution

The fourth proportional to 34,313.52, 47,353.18 and 20,885.34 is: 28,822.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,313.52 : 47,353.18 = 20,885.34 : x
  2. Step 2: Convert to fraction form
    34,313.52/47,353.18 = 20,885.34/x
  3. Step 3: Cross multiply
    34,313.52x = 47,353.18 × 20,885.34
  4. Step 4: Simplify right side
    34,313.52x = 988,987,264.38
  5. Step 5: Solve for x
    x = 988,987,264.38/34,313.52
  6. Step 6: Final answer
    x = 28,822.09

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Half scale
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Double scale
Find fourth proportional to 34,314.52, 47,354.56 and 20,886.34
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.