Home / 48,911.32-73,370.10-13,853.68

Finding the Fourth Proportional to 48,911.32, 73,370.10 and 13,853.68

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Solution

The fourth proportional to 48,911.32, 73,370.10 and 13,853.68 is: 20,781.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,911.32 : 73,370.10 = 13,853.68 : x
  2. Step 2: Convert to fraction form
    48,911.32/73,370.10 = 13,853.68/x
  3. Step 3: Cross multiply
    48,911.32x = 73,370.10 × 13,853.68
  4. Step 4: Simplify right side
    48,911.32x = 1,016,445,886.97
  5. Step 5: Solve for x
    x = 1,016,445,886.97/48,911.32
  6. Step 6: Final answer
    x = 20,781.40

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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.