Home / 56,277.18-77,657.94-31,126.68

Finding the Fourth Proportional to 56,277.18, 77,657.94 and 31,126.68

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Solution

The fourth proportional to 56,277.18, 77,657.94 and 31,126.68 is: 42,952.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,277.18 : 77,657.94 = 31,126.68 : x
  2. Step 2: Convert to fraction form
    56,277.18/77,657.94 = 31,126.68/x
  3. Step 3: Cross multiply
    56,277.18x = 77,657.94 × 31,126.68
  4. Step 4: Simplify right side
    56,277.18x = 2,417,233,847.84
  5. Step 5: Solve for x
    x = 2,417,233,847.84/56,277.18
  6. Step 6: Final answer
    x = 42,952.29

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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.