Home / 39,779.60-59,666.24-23,129

Finding the Fourth Proportional to 39,779.60, 59,666.24 and 23,129

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Solution

The fourth proportional to 39,779.60, 59,666.24 and 23,129 is: 34,691.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,779.60 : 59,666.24 = 23,129 : x
  2. Step 2: Convert to fraction form
    39,779.60/59,666.24 = 23,129/x
  3. Step 3: Cross multiply
    39,779.60x = 59,666.24 × 23,129
  4. Step 4: Simplify right side
    39,779.60x = 1,380,020,464.96
  5. Step 5: Solve for x
    x = 1,380,020,464.96/39,779.60
  6. Step 6: Final answer
    x = 34,691.66

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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.