Home / 51,711.80-71,360.02-31,602.32

Finding the Fourth Proportional to 51,711.80, 71,360.02 and 31,602.32

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Solution

The fourth proportional to 51,711.80, 71,360.02 and 31,602.32 is: 43,609.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,711.80 : 71,360.02 = 31,602.32 : x
  2. Step 2: Convert to fraction form
    51,711.80/71,360.02 = 31,602.32/x
  3. Step 3: Cross multiply
    51,711.80x = 71,360.02 × 31,602.32
  4. Step 4: Simplify right side
    51,711.80x = 2,255,142,187.25
  5. Step 5: Solve for x
    x = 2,255,142,187.25/51,711.80
  6. Step 6: Final answer
    x = 43,609.82

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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.