Home / 39,250.39-54,166.56-21,346.45

Finding the Fourth Proportional to 39,250.39, 54,166.56 and 21,346.45

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Solution

The fourth proportional to 39,250.39, 54,166.56 and 21,346.45 is: 29,458.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,250.39 : 54,166.56 = 21,346.45 : x
  2. Step 2: Convert to fraction form
    39,250.39/54,166.56 = 21,346.45/x
  3. Step 3: Cross multiply
    39,250.39x = 54,166.56 × 21,346.45
  4. Step 4: Simplify right side
    39,250.39x = 1,156,263,764.71
  5. Step 5: Solve for x
    x = 1,156,263,764.71/39,250.39
  6. Step 6: Final answer
    x = 29,458.66

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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.