Home / 47,390-71,085.40-16,225.52

Finding the Fourth Proportional to 47,390, 71,085.40 and 16,225.52

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Solution

The fourth proportional to 47,390, 71,085.40 and 16,225.52 is: 24,338.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,390 : 71,085.40 = 16,225.52 : x
  2. Step 2: Convert to fraction form
    47,390/71,085.40 = 16,225.52/x
  3. Step 3: Cross multiply
    47,390x = 71,085.40 × 16,225.52
  4. Step 4: Simplify right side
    47,390x = 1,153,397,579.41
  5. Step 5: Solve for x
    x = 1,153,397,579.41/47,390
  6. Step 6: Final answer
    x = 24,338.42

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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.