Home / 48,189.42-72,283.38-13,128.97

Finding the Fourth Proportional to 48,189.42, 72,283.38 and 13,128.97

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Solution

The fourth proportional to 48,189.42, 72,283.38 and 13,128.97 is: 19,693.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,189.42 : 72,283.38 = 13,128.97 : x
  2. Step 2: Convert to fraction form
    48,189.42/72,283.38 = 13,128.97/x
  3. Step 3: Cross multiply
    48,189.42x = 72,283.38 × 13,128.97
  4. Step 4: Simplify right side
    48,189.42x = 949,006,327.52
  5. Step 5: Solve for x
    x = 949,006,327.52/48,189.42
  6. Step 6: Final answer
    x = 19,693.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.