Home / 56,925.25-78,555.87-31,430.98

Finding the Fourth Proportional to 56,925.25, 78,555.87 and 31,430.98

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Solution

The fourth proportional to 56,925.25, 78,555.87 and 31,430.98 is: 43,374.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,925.25 : 78,555.87 = 31,430.98 : x
  2. Step 2: Convert to fraction form
    56,925.25/78,555.87 = 31,430.98/x
  3. Step 3: Cross multiply
    56,925.25x = 78,555.87 × 31,430.98
  4. Step 4: Simplify right side
    56,925.25x = 2,469,088,057.43
  5. Step 5: Solve for x
    x = 2,469,088,057.43/56,925.25
  6. Step 6: Final answer
    x = 43,374.22

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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.