Home / 39,820.55-59,632.27-23,129.96

Finding the Fourth Proportional to 39,820.55, 59,632.27 and 23,129.96

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Solution

The fourth proportional to 39,820.55, 59,632.27 and 23,129.96 is: 34,637.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,820.55 : 59,632.27 = 23,129.96 : x
  2. Step 2: Convert to fraction form
    39,820.55/59,632.27 = 23,129.96/x
  3. Step 3: Cross multiply
    39,820.55x = 59,632.27 × 23,129.96
  4. Step 4: Simplify right side
    39,820.55x = 1,379,291,663.82
  5. Step 5: Solve for x
    x = 1,379,291,663.82/39,820.55
  6. Step 6: Final answer
    x = 34,637.69

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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.