Home / 52,613.50-72,606.20-28,740.18

Finding the Fourth Proportional to 52,613.50, 72,606.20 and 28,740.18

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Solution

The fourth proportional to 52,613.50, 72,606.20 and 28,740.18 is: 39,661.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,613.50 : 72,606.20 = 28,740.18 : x
  2. Step 2: Convert to fraction form
    52,613.50/72,606.20 = 28,740.18/x
  3. Step 3: Cross multiply
    52,613.50x = 72,606.20 × 28,740.18
  4. Step 4: Simplify right side
    52,613.50x = 2,086,715,257.12
  5. Step 5: Solve for x
    x = 2,086,715,257.12/52,613.50
  6. Step 6: Final answer
    x = 39,661.21

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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.