Home / 35,402.50-53,088.17-18,758.70

Finding the Fourth Proportional to 35,402.50, 53,088.17 and 18,758.70

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Solution

The fourth proportional to 35,402.50, 53,088.17 and 18,758.70 is: 28,129.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,402.50 : 53,088.17 = 18,758.70 : x
  2. Step 2: Convert to fraction form
    35,402.50/53,088.17 = 18,758.70/x
  3. Step 3: Cross multiply
    35,402.50x = 53,088.17 × 18,758.70
  4. Step 4: Simplify right side
    35,402.50x = 995,865,007.80
  5. Step 5: Solve for x
    x = 995,865,007.80/35,402.50
  6. Step 6: Final answer
    x = 28,129.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.