Home / 55,319.36-83,001.84-19,785.52

Finding the Fourth Proportional to 55,319.36, 83,001.84 and 19,785.52

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Solution

The fourth proportional to 55,319.36, 83,001.84 and 19,785.52 is: 29,686.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,319.36 : 83,001.84 = 19,785.52 : x
  2. Step 2: Convert to fraction form
    55,319.36/83,001.84 = 19,785.52/x
  3. Step 3: Cross multiply
    55,319.36x = 83,001.84 × 19,785.52
  4. Step 4: Simplify right side
    55,319.36x = 1,642,234,565.36
  5. Step 5: Solve for x
    x = 1,642,234,565.36/55,319.36
  6. Step 6: Final answer
    x = 29,686.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.