Home / 47,435.10-71,152.65-17,859.57

Finding the Fourth Proportional to 47,435.10, 71,152.65 and 17,859.57

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Solution

The fourth proportional to 47,435.10, 71,152.65 and 17,859.57 is: 26,789.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,435.10 : 71,152.65 = 17,859.57 : x
  2. Step 2: Convert to fraction form
    47,435.10/71,152.65 = 17,859.57/x
  3. Step 3: Cross multiply
    47,435.10x = 71,152.65 × 17,859.57
  4. Step 4: Simplify right side
    47,435.10x = 1,270,755,733.36
  5. Step 5: Solve for x
    x = 1,270,755,733.36/47,435.10
  6. Step 6: Final answer
    x = 26,789.36

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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.