Home / 52,218.96-72,060.24-28,345.11

Finding the Fourth Proportional to 52,218.96, 72,060.24 and 28,345.11

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Solution

The fourth proportional to 52,218.96, 72,060.24 and 28,345.11 is: 39,115.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,218.96 : 72,060.24 = 28,345.11 : x
  2. Step 2: Convert to fraction form
    52,218.96/72,060.24 = 28,345.11/x
  3. Step 3: Cross multiply
    52,218.96x = 72,060.24 × 28,345.11
  4. Step 4: Simplify right side
    52,218.96x = 2,042,555,429.43
  5. Step 5: Solve for x
    x = 2,042,555,429.43/52,218.96
  6. Step 6: Final answer
    x = 39,115.21

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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.