Home / 39,166.36-54,048.02-21,260.76

Finding the Fourth Proportional to 39,166.36, 54,048.02 and 21,260.76

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Solution

The fourth proportional to 39,166.36, 54,048.02 and 21,260.76 is: 29,339.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,166.36 : 54,048.02 = 21,260.76 : x
  2. Step 2: Convert to fraction form
    39,166.36/54,048.02 = 21,260.76/x
  3. Step 3: Cross multiply
    39,166.36x = 54,048.02 × 21,260.76
  4. Step 4: Simplify right side
    39,166.36x = 1,149,101,981.70
  5. Step 5: Solve for x
    x = 1,149,101,981.70/39,166.36
  6. Step 6: Final answer
    x = 29,339.00

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Half scale
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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.