Home / 51,726.60-71,380.80-31,617.18

Finding the Fourth Proportional to 51,726.60, 71,380.80 and 31,617.18

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Solution

The fourth proportional to 51,726.60, 71,380.80 and 31,617.18 is: 43,630.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,726.60 : 71,380.80 = 31,617.18 : x
  2. Step 2: Convert to fraction form
    51,726.60/71,380.80 = 31,617.18/x
  3. Step 3: Cross multiply
    51,726.60x = 71,380.80 × 31,617.18
  4. Step 4: Simplify right side
    51,726.60x = 2,256,859,602.14
  5. Step 5: Solve for x
    x = 2,256,859,602.14/51,726.60
  6. Step 6: Final answer
    x = 43,630.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.