Home / 53,868.02-80,605.19-31,691.84

Finding the Fourth Proportional to 53,868.02, 80,605.19 and 31,691.84

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Solution

The fourth proportional to 53,868.02, 80,605.19 and 31,691.84 is: 47,421.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,868.02 : 80,605.19 = 31,691.84 : x
  2. Step 2: Convert to fraction form
    53,868.02/80,605.19 = 31,691.84/x
  3. Step 3: Cross multiply
    53,868.02x = 80,605.19 × 31,691.84
  4. Step 4: Simplify right side
    53,868.02x = 2,554,526,784.65
  5. Step 5: Solve for x
    x = 2,554,526,784.65/53,868.02
  6. Step 6: Final answer
    x = 47,421.95

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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.