Home / 31,798.23-47,744.19-17,785.71

Finding the Fourth Proportional to 31,798.23, 47,744.19 and 17,785.71

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Solution

The fourth proportional to 31,798.23, 47,744.19 and 17,785.71 is: 26,704.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,798.23 : 47,744.19 = 17,785.71 : x
  2. Step 2: Convert to fraction form
    31,798.23/47,744.19 = 17,785.71/x
  3. Step 3: Cross multiply
    31,798.23x = 47,744.19 × 17,785.71
  4. Step 4: Simplify right side
    31,798.23x = 849,164,317.52
  5. Step 5: Solve for x
    x = 849,164,317.52/31,798.23
  6. Step 6: Final answer
    x = 26,704.77

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1.5x scale

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.