Home / 42,004.85-62,985.40-19,812.27

Finding the Fourth Proportional to 42,004.85, 62,985.40 and 19,812.27

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Solution

The fourth proportional to 42,004.85, 62,985.40 and 19,812.27 is: 29,708.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,004.85 : 62,985.40 = 19,812.27 : x
  2. Step 2: Convert to fraction form
    42,004.85/62,985.40 = 19,812.27/x
  3. Step 3: Cross multiply
    42,004.85x = 62,985.40 × 19,812.27
  4. Step 4: Simplify right side
    42,004.85x = 1,247,883,651.80
  5. Step 5: Solve for x
    x = 1,247,883,651.80/42,004.85
  6. Step 6: Final answer
    x = 29,708.08

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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.