Home / 52,402.79-72,316.14-28,529.40

Finding the Fourth Proportional to 52,402.79, 72,316.14 and 28,529.40

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Solution

The fourth proportional to 52,402.79, 72,316.14 and 28,529.40 is: 39,370.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,402.79 : 72,316.14 = 28,529.40 : x
  2. Step 2: Convert to fraction form
    52,402.79/72,316.14 = 28,529.40/x
  3. Step 3: Cross multiply
    52,402.79x = 72,316.14 × 28,529.40
  4. Step 4: Simplify right side
    52,402.79x = 2,063,136,084.52
  5. Step 5: Solve for x
    x = 2,063,136,084.52/52,402.79
  6. Step 6: Final answer
    x = 39,370.73

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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.