Home / 60,420.48-90,499.32-29,190

Finding the Fourth Proportional to 60,420.48, 90,499.32 and 29,190

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Solution

The fourth proportional to 60,420.48, 90,499.32 and 29,190 is: 43,721.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,420.48 : 90,499.32 = 29,190 : x
  2. Step 2: Convert to fraction form
    60,420.48/90,499.32 = 29,190/x
  3. Step 3: Cross multiply
    60,420.48x = 90,499.32 × 29,190
  4. Step 4: Simplify right side
    60,420.48x = 2,641,675,150.80
  5. Step 5: Solve for x
    x = 2,641,675,150.80/60,420.48
  6. Step 6: Final answer
    x = 43,721.52

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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.