Home / 47,646.57-71,464.38-12,588.96

Finding the Fourth Proportional to 47,646.57, 71,464.38 and 12,588.96

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Solution

The fourth proportional to 47,646.57, 71,464.38 and 12,588.96 is: 18,881.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,646.57 : 71,464.38 = 12,588.96 : x
  2. Step 2: Convert to fraction form
    47,646.57/71,464.38 = 12,588.96/x
  3. Step 3: Cross multiply
    47,646.57x = 71,464.38 × 12,588.96
  4. Step 4: Simplify right side
    47,646.57x = 899,662,221.24
  5. Step 5: Solve for x
    x = 899,662,221.24/47,646.57
  6. Step 6: Final answer
    x = 18,881.99

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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.