Home / 56,495.71-77,963.87-31,002.50

Finding the Fourth Proportional to 56,495.71, 77,963.87 and 31,002.50

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Solution

The fourth proportional to 56,495.71, 77,963.87 and 31,002.50 is: 42,783.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,495.71 : 77,963.87 = 31,002.50 : x
  2. Step 2: Convert to fraction form
    56,495.71/77,963.87 = 31,002.50/x
  3. Step 3: Cross multiply
    56,495.71x = 77,963.87 × 31,002.50
  4. Step 4: Simplify right side
    56,495.71x = 2,417,074,724.66
  5. Step 5: Solve for x
    x = 2,417,074,724.66/56,495.71
  6. Step 6: Final answer
    x = 42,783.33

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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.