Home / 47,367.16-71,024.61-19,280

Finding the Fourth Proportional to 47,367.16, 71,024.61 and 19,280

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Solution

The fourth proportional to 47,367.16, 71,024.61 and 19,280 is: 28,909.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,367.16 : 71,024.61 = 19,280 : x
  2. Step 2: Convert to fraction form
    47,367.16/71,024.61 = 19,280/x
  3. Step 3: Cross multiply
    47,367.16x = 71,024.61 × 19,280
  4. Step 4: Simplify right side
    47,367.16x = 1,369,354,480.80
  5. Step 5: Solve for x
    x = 1,369,354,480.80/47,367.16
  6. Step 6: Final answer
    x = 28,909.36

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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.