Home / 55,956.48-77,218.40-31,761.92

Finding the Fourth Proportional to 55,956.48, 77,218.40 and 31,761.92

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Solution

The fourth proportional to 55,956.48, 77,218.40 and 31,761.92 is: 43,830.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,956.48 : 77,218.40 = 31,761.92 : x
  2. Step 2: Convert to fraction form
    55,956.48/77,218.40 = 31,761.92/x
  3. Step 3: Cross multiply
    55,956.48x = 77,218.40 × 31,761.92
  4. Step 4: Simplify right side
    55,956.48x = 2,452,604,643.33
  5. Step 5: Solve for x
    x = 2,452,604,643.33/55,956.48
  6. Step 6: Final answer
    x = 43,830.57

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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.