Home / 34,402.34-47,476.19-20,970.52

Finding the Fourth Proportional to 34,402.34, 47,476.19 and 20,970.52

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Solution

The fourth proportional to 34,402.34, 47,476.19 and 20,970.52 is: 28,939.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,402.34 : 47,476.19 = 20,970.52 : x
  2. Step 2: Convert to fraction form
    34,402.34/47,476.19 = 20,970.52/x
  3. Step 3: Cross multiply
    34,402.34x = 47,476.19 × 20,970.52
  4. Step 4: Simplify right side
    34,402.34x = 995,600,391.92
  5. Step 5: Solve for x
    x = 995,600,391.92/34,402.34
  6. Step 6: Final answer
    x = 28,939.90

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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.