Home / 40,716.60-61,004.76-31,828.47

Finding the Fourth Proportional to 40,716.60, 61,004.76 and 31,828.47

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Solution

The fourth proportional to 40,716.60, 61,004.76 and 31,828.47 is: 47,687.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,716.60 : 61,004.76 = 31,828.47 : x
  2. Step 2: Convert to fraction form
    40,716.60/61,004.76 = 31,828.47/x
  3. Step 3: Cross multiply
    40,716.60x = 61,004.76 × 31,828.47
  4. Step 4: Simplify right side
    40,716.60x = 1,941,688,173.52
  5. Step 5: Solve for x
    x = 1,941,688,173.52/40,716.60
  6. Step 6: Final answer
    x = 47,687.88

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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.