Home / 58,765.08-81,061.92-37,520.40

Finding the Fourth Proportional to 58,765.08, 81,061.92 and 37,520.40

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Solution

The fourth proportional to 58,765.08, 81,061.92 and 37,520.40 is: 51,756.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,765.08 : 81,061.92 = 37,520.40 : x
  2. Step 2: Convert to fraction form
    58,765.08/81,061.92 = 37,520.40/x
  3. Step 3: Cross multiply
    58,765.08x = 81,061.92 × 37,520.40
  4. Step 4: Simplify right side
    58,765.08x = 3,041,475,663.17
  5. Step 5: Solve for x
    x = 3,041,475,663.17/58,765.08
  6. Step 6: Final answer
    x = 51,756.51

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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.