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Finding the Fourth Proportional to 38,482.67, 53,114.93 and 22,572.24

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Solution

The fourth proportional to 38,482.67, 53,114.93 and 22,572.24 is: 31,154.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,482.67 : 53,114.93 = 22,572.24 : x
  2. Step 2: Convert to fraction form
    38,482.67/53,114.93 = 22,572.24/x
  3. Step 3: Cross multiply
    38,482.67x = 53,114.93 × 22,572.24
  4. Step 4: Simplify right side
    38,482.67x = 1,198,922,947.54
  5. Step 5: Solve for x
    x = 1,198,922,947.54/38,482.67
  6. Step 6: Final answer
    x = 31,154.88

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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.