Home / 52,221.36-72,065.85-28,348.23

Finding the Fourth Proportional to 52,221.36, 72,065.85 and 28,348.23

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Solution

The fourth proportional to 52,221.36, 72,065.85 and 28,348.23 is: 39,120.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,221.36 : 72,065.85 = 28,348.23 : x
  2. Step 2: Convert to fraction form
    52,221.36/72,065.85 = 28,348.23/x
  3. Step 3: Cross multiply
    52,221.36x = 72,065.85 × 28,348.23
  4. Step 4: Simplify right side
    52,221.36x = 2,042,939,208.97
  5. Step 5: Solve for x
    x = 2,042,939,208.97/52,221.36
  6. Step 6: Final answer
    x = 39,120.76

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Double scale
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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.