Home / 56,065.87-77,369.92-30,572.43

Finding the Fourth Proportional to 56,065.87, 77,369.92 and 30,572.43

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Solution

The fourth proportional to 56,065.87, 77,369.92 and 30,572.43 is: 42,189.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,065.87 : 77,369.92 = 30,572.43 : x
  2. Step 2: Convert to fraction form
    56,065.87/77,369.92 = 30,572.43/x
  3. Step 3: Cross multiply
    56,065.87x = 77,369.92 × 30,572.43
  4. Step 4: Simplify right side
    56,065.87x = 2,365,386,463.31
  5. Step 5: Solve for x
    x = 2,365,386,463.31/56,065.87
  6. Step 6: Final answer
    x = 42,189.42

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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.