Home / 47,538.96-71,305.56-12,477.84

Finding the Fourth Proportional to 47,538.96, 71,305.56 and 12,477.84

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Solution

The fourth proportional to 47,538.96, 71,305.56 and 12,477.84 is: 18,716.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,538.96 : 71,305.56 = 12,477.84 : x
  2. Step 2: Convert to fraction form
    47,538.96/71,305.56 = 12,477.84/x
  3. Step 3: Cross multiply
    47,538.96x = 71,305.56 × 12,477.84
  4. Step 4: Simplify right side
    47,538.96x = 889,739,368.79
  5. Step 5: Solve for x
    x = 889,739,368.79/47,538.96
  6. Step 6: Final answer
    x = 18,716.00

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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.