Home / 34,391.67-47,459.52-20,958.02

Finding the Fourth Proportional to 34,391.67, 47,459.52 and 20,958.02

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Solution

The fourth proportional to 34,391.67, 47,459.52 and 20,958.02 is: 28,921.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,391.67 : 47,459.52 = 20,958.02 : x
  2. Step 2: Convert to fraction form
    34,391.67/47,459.52 = 20,958.02/x
  3. Step 3: Cross multiply
    34,391.67x = 47,459.52 × 20,958.02
  4. Step 4: Simplify right side
    34,391.67x = 994,657,569.35
  5. Step 5: Solve for x
    x = 994,657,569.35/34,391.67
  6. Step 6: Final answer
    x = 28,921.47

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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.