Home / 56,752.01-78,318.31-31,258.47

Finding the Fourth Proportional to 56,752.01, 78,318.31 and 31,258.47

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Solution

The fourth proportional to 56,752.01, 78,318.31 and 31,258.47 is: 43,136.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,752.01 : 78,318.31 = 31,258.47 : x
  2. Step 2: Convert to fraction form
    56,752.01/78,318.31 = 31,258.47/x
  3. Step 3: Cross multiply
    56,752.01x = 78,318.31 × 31,258.47
  4. Step 4: Simplify right side
    56,752.01x = 2,448,110,503.96
  5. Step 5: Solve for x
    x = 2,448,110,503.96/56,752.01
  6. Step 6: Final answer
    x = 43,136.98

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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.