Home / 40,715.60-61,003.26-31,827.47

Finding the Fourth Proportional to 40,715.60, 61,003.26 and 31,827.47

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Solution

The fourth proportional to 40,715.60, 61,003.26 and 31,827.47 is: 47,686.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,715.60 : 61,003.26 = 31,827.47 : x
  2. Step 2: Convert to fraction form
    40,715.60/61,003.26 = 31,827.47/x
  3. Step 3: Cross multiply
    40,715.60x = 61,003.26 × 31,827.47
  4. Step 4: Simplify right side
    40,715.60x = 1,941,579,122.54
  5. Step 5: Solve for x
    x = 1,941,579,122.54/40,715.60
  6. Step 6: Final answer
    x = 47,686.37

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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.