Home / 55,606.83-83,387.96-20,538.69

Finding the Fourth Proportional to 55,606.83, 83,387.96 and 20,538.69

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Solution

The fourth proportional to 55,606.83, 83,387.96 and 20,538.69 is: 30,799.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,606.83 : 83,387.96 = 20,538.69 : x
  2. Step 2: Convert to fraction form
    55,606.83/83,387.96 = 20,538.69/x
  3. Step 3: Cross multiply
    55,606.83x = 83,387.96 × 20,538.69
  4. Step 4: Simplify right side
    55,606.83x = 1,712,679,460.17
  5. Step 5: Solve for x
    x = 1,712,679,460.17/55,606.83
  6. Step 6: Final answer
    x = 30,799.80

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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.