Home / 31,758.13-43,823.06-18,333.71

Finding the Fourth Proportional to 31,758.13, 43,823.06 and 18,333.71

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Solution

The fourth proportional to 31,758.13, 43,823.06 and 18,333.71 is: 25,298.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,758.13 : 43,823.06 = 18,333.71 : x
  2. Step 2: Convert to fraction form
    31,758.13/43,823.06 = 18,333.71/x
  3. Step 3: Cross multiply
    31,758.13x = 43,823.06 × 18,333.71
  4. Step 4: Simplify right side
    31,758.13x = 803,439,273.35
  5. Step 5: Solve for x
    x = 803,439,273.35/31,758.13
  6. Step 6: Final answer
    x = 25,298.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.