Home / 56,425.77-77,867.32-31,275.27

Finding the Fourth Proportional to 56,425.77, 77,867.32 and 31,275.27

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Solution

The fourth proportional to 56,425.77, 77,867.32 and 31,275.27 is: 43,159.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,425.77 : 77,867.32 = 31,275.27 : x
  2. Step 2: Convert to fraction form
    56,425.77/77,867.32 = 31,275.27/x
  3. Step 3: Cross multiply
    56,425.77x = 77,867.32 × 31,275.27
  4. Step 4: Simplify right side
    56,425.77x = 2,435,321,457.18
  5. Step 5: Solve for x
    x = 2,435,321,457.18/56,425.77
  6. Step 6: Final answer
    x = 43,159.74

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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.