Home / 47,538.32-71,307.48-12,477.92

Finding the Fourth Proportional to 47,538.32, 71,307.48 and 12,477.92

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Solution

The fourth proportional to 47,538.32, 71,307.48 and 12,477.92 is: 18,716.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,538.32 : 71,307.48 = 12,477.92 : x
  2. Step 2: Convert to fraction form
    47,538.32/71,307.48 = 12,477.92/x
  3. Step 3: Cross multiply
    47,538.32x = 71,307.48 × 12,477.92
  4. Step 4: Simplify right side
    47,538.32x = 889,769,030.84
  5. Step 5: Solve for x
    x = 889,769,030.84/47,538.32
  6. Step 6: Final answer
    x = 18,716.88

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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.