Home / 39,779.34-59,665.86-23,128.77

Finding the Fourth Proportional to 39,779.34, 59,665.86 and 23,128.77

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Solution

The fourth proportional to 39,779.34, 59,665.86 and 23,128.77 is: 34,691.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,779.34 : 59,665.86 = 23,128.77 : x
  2. Step 2: Convert to fraction form
    39,779.34/59,665.86 = 23,128.77/x
  3. Step 3: Cross multiply
    39,779.34x = 59,665.86 × 23,128.77
  4. Step 4: Simplify right side
    39,779.34x = 1,379,997,952.79
  5. Step 5: Solve for x
    x = 1,379,997,952.79/39,779.34
  6. Step 6: Final answer
    x = 34,691.32

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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.