Home / 34,223.13-47,227.92-20,798.71

Finding the Fourth Proportional to 34,223.13, 47,227.92 and 20,798.71

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Solution

The fourth proportional to 34,223.13, 47,227.92 and 20,798.71 is: 28,702.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,223.13 : 47,227.92 = 20,798.71 : x
  2. Step 2: Convert to fraction form
    34,223.13/47,227.92 = 20,798.71/x
  3. Step 3: Cross multiply
    34,223.13x = 47,227.92 × 20,798.71
  4. Step 4: Simplify right side
    34,223.13x = 982,279,961.40
  5. Step 5: Solve for x
    x = 982,279,961.40/34,223.13
  6. Step 6: Final answer
    x = 28,702.22

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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.