Home / 47,630-71,427.18-38,246.96

Finding the Fourth Proportional to 47,630, 71,427.18 and 38,246.96

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Solution

The fourth proportional to 47,630, 71,427.18 and 38,246.96 is: 57,356.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,630 : 71,427.18 = 38,246.96 : x
  2. Step 2: Convert to fraction form
    47,630/71,427.18 = 38,246.96/x
  3. Step 3: Cross multiply
    47,630x = 71,427.18 × 38,246.96
  4. Step 4: Simplify right side
    47,630x = 2,731,872,496.37
  5. Step 5: Solve for x
    x = 2,731,872,496.37/47,630
  6. Step 6: Final answer
    x = 57,356.13

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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.