Home / 47,638.43-71,434.55-14,352.29

Finding the Fourth Proportional to 47,638.43, 71,434.55 and 14,352.29

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Solution

The fourth proportional to 47,638.43, 71,434.55 and 14,352.29 is: 21,521.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,638.43 : 71,434.55 = 14,352.29 : x
  2. Step 2: Convert to fraction form
    47,638.43/71,434.55 = 14,352.29/x
  3. Step 3: Cross multiply
    47,638.43x = 71,434.55 × 14,352.29
  4. Step 4: Simplify right side
    47,638.43x = 1,025,248,948.69
  5. Step 5: Solve for x
    x = 1,025,248,948.69/47,638.43
  6. Step 6: Final answer
    x = 21,521.47

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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.