Home / 52,260.50-72,120.80-28,387.16

Finding the Fourth Proportional to 52,260.50, 72,120.80 and 28,387.16

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Solution

The fourth proportional to 52,260.50, 72,120.80 and 28,387.16 is: 39,174.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,260.50 : 72,120.80 = 28,387.16 : x
  2. Step 2: Convert to fraction form
    52,260.50/72,120.80 = 28,387.16/x
  3. Step 3: Cross multiply
    52,260.50x = 72,120.80 × 28,387.16
  4. Step 4: Simplify right side
    52,260.50x = 2,047,304,688.93
  5. Step 5: Solve for x
    x = 2,047,304,688.93/52,260.50
  6. Step 6: Final answer
    x = 39,174.99

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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.