Home / 47,488.56-71,232-14,208.72

Finding the Fourth Proportional to 47,488.56, 71,232 and 14,208.72

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Solution

The fourth proportional to 47,488.56, 71,232 and 14,208.72 is: 21,312.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,488.56 : 71,232 = 14,208.72 : x
  2. Step 2: Convert to fraction form
    47,488.56/71,232 = 14,208.72/x
  3. Step 3: Cross multiply
    47,488.56x = 71,232 × 14,208.72
  4. Step 4: Simplify right side
    47,488.56x = 1,012,115,543.04
  5. Step 5: Solve for x
    x = 1,012,115,543.04/47,488.56
  6. Step 6: Final answer
    x = 21,312.83

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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.