Home / 47,437.18-71,155.77-12,376.53

Finding the Fourth Proportional to 47,437.18, 71,155.77 and 12,376.53

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Solution

The fourth proportional to 47,437.18, 71,155.77 and 12,376.53 is: 18,564.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,437.18 : 71,155.77 = 12,376.53 : x
  2. Step 2: Convert to fraction form
    47,437.18/71,155.77 = 12,376.53/x
  3. Step 3: Cross multiply
    47,437.18x = 71,155.77 × 12,376.53
  4. Step 4: Simplify right side
    47,437.18x = 880,661,475.67
  5. Step 5: Solve for x
    x = 880,661,475.67/47,437.18
  6. Step 6: Final answer
    x = 18,564.80

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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.