Home / 47,790.56-71,685-16,625.12

Finding the Fourth Proportional to 47,790.56, 71,685 and 16,625.12

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Solution

The fourth proportional to 47,790.56, 71,685 and 16,625.12 is: 24,937.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,790.56 : 71,685 = 16,625.12 : x
  2. Step 2: Convert to fraction form
    47,790.56/71,685 = 16,625.12/x
  3. Step 3: Cross multiply
    47,790.56x = 71,685 × 16,625.12
  4. Step 4: Simplify right side
    47,790.56x = 1,191,771,727.20
  5. Step 5: Solve for x
    x = 1,191,771,727.20/47,790.56
  6. Step 6: Final answer
    x = 24,937.39

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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.