Home / 55,899.42-77,118.40-31,695.28

Finding the Fourth Proportional to 55,899.42, 77,118.40 and 31,695.28

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Solution

The fourth proportional to 55,899.42, 77,118.40 and 31,695.28 is: 43,726.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,899.42 : 77,118.40 = 31,695.28 : x
  2. Step 2: Convert to fraction form
    55,899.42/77,118.40 = 31,695.28/x
  3. Step 3: Cross multiply
    55,899.42x = 77,118.40 × 31,695.28
  4. Step 4: Simplify right side
    55,899.42x = 2,444,289,281.15
  5. Step 5: Solve for x
    x = 2,444,289,281.15/55,899.42
  6. Step 6: Final answer
    x = 43,726.56

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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.