Home / 42,542.05-63,835.04-20,350.93

Finding the Fourth Proportional to 42,542.05, 63,835.04 and 20,350.93

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Solution

The fourth proportional to 42,542.05, 63,835.04 and 20,350.93 is: 30,536.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,542.05 : 63,835.04 = 20,350.93 : x
  2. Step 2: Convert to fraction form
    42,542.05/63,835.04 = 20,350.93/x
  3. Step 3: Cross multiply
    42,542.05x = 63,835.04 × 20,350.93
  4. Step 4: Simplify right side
    42,542.05x = 1,299,102,430.59
  5. Step 5: Solve for x
    x = 1,299,102,430.59/42,542.05
  6. Step 6: Final answer
    x = 30,536.90

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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.