Home / 56,525.13-78,005.64-31,033.86

Finding the Fourth Proportional to 56,525.13, 78,005.64 and 31,033.86

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Solution

The fourth proportional to 56,525.13, 78,005.64 and 31,033.86 is: 42,827.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,525.13 : 78,005.64 = 31,033.86 : x
  2. Step 2: Convert to fraction form
    56,525.13/78,005.64 = 31,033.86/x
  3. Step 3: Cross multiply
    56,525.13x = 78,005.64 × 31,033.86
  4. Step 4: Simplify right side
    56,525.13x = 2,420,816,110.97
  5. Step 5: Solve for x
    x = 2,420,816,110.97/56,525.13
  6. Step 6: Final answer
    x = 42,827.25

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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.