Home / 39,269.76-54,191.84-21,364.48

Finding the Fourth Proportional to 39,269.76, 54,191.84 and 21,364.48

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Solution

The fourth proportional to 39,269.76, 54,191.84 and 21,364.48 is: 29,482.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,269.76 : 54,191.84 = 21,364.48 : x
  2. Step 2: Convert to fraction form
    39,269.76/54,191.84 = 21,364.48/x
  3. Step 3: Cross multiply
    39,269.76x = 54,191.84 × 21,364.48
  4. Step 4: Simplify right side
    39,269.76x = 1,157,780,481.84
  5. Step 5: Solve for x
    x = 1,157,780,481.84/39,269.76
  6. Step 6: Final answer
    x = 29,482.75

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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.