Home / 56,923.13-78,555.15-31,429.41

Finding the Fourth Proportional to 56,923.13, 78,555.15 and 31,429.41

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Solution

The fourth proportional to 56,923.13, 78,555.15 and 31,429.41 is: 43,373.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,923.13 : 78,555.15 = 31,429.41 : x
  2. Step 2: Convert to fraction form
    56,923.13/78,555.15 = 31,429.41/x
  3. Step 3: Cross multiply
    56,923.13x = 78,555.15 × 31,429.41
  4. Step 4: Simplify right side
    56,923.13x = 2,468,942,016.96
  5. Step 5: Solve for x
    x = 2,468,942,016.96/56,923.13
  6. Step 6: Final answer
    x = 43,373.27

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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.