Home / 56,496.56-77,963.40-31,347.92

Finding the Fourth Proportional to 56,496.56, 77,963.40 and 31,347.92

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Solution

The fourth proportional to 56,496.56, 77,963.40 and 31,347.92 is: 43,259.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,496.56 : 77,963.40 = 31,347.92 : x
  2. Step 2: Convert to fraction form
    56,496.56/77,963.40 = 31,347.92/x
  3. Step 3: Cross multiply
    56,496.56x = 77,963.40 × 31,347.92
  4. Step 4: Simplify right side
    56,496.56x = 2,443,990,426.13
  5. Step 5: Solve for x
    x = 2,443,990,426.13/56,496.56
  6. Step 6: Final answer
    x = 43,259.10

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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.