Home / 31,681.13-47,482.19-27,722.99

Finding the Fourth Proportional to 31,681.13, 47,482.19 and 27,722.99

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Solution

The fourth proportional to 31,681.13, 47,482.19 and 27,722.99 is: 41,549.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,681.13 : 47,482.19 = 27,722.99 : x
  2. Step 2: Convert to fraction form
    31,681.13/47,482.19 = 27,722.99/x
  3. Step 3: Cross multiply
    31,681.13x = 47,482.19 × 27,722.99
  4. Step 4: Simplify right side
    31,681.13x = 1,316,347,902.52
  5. Step 5: Solve for x
    x = 1,316,347,902.52/31,681.13
  6. Step 6: Final answer
    x = 41,549.91

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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.