Home / 31,504.02-47,277.90-18,382.02

Finding the Fourth Proportional to 31,504.02, 47,277.90 and 18,382.02

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Solution

The fourth proportional to 31,504.02, 47,277.90 and 18,382.02 is: 27,585.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,504.02 : 47,277.90 = 18,382.02 : x
  2. Step 2: Convert to fraction form
    31,504.02/47,277.90 = 18,382.02/x
  3. Step 3: Cross multiply
    31,504.02x = 47,277.90 × 18,382.02
  4. Step 4: Simplify right side
    31,504.02x = 869,063,303.36
  5. Step 5: Solve for x
    x = 869,063,303.36/31,504.02
  6. Step 6: Final answer
    x = 27,585.79

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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.