Home / 54,412.16-81,443.26-28,081.04

Finding the Fourth Proportional to 54,412.16, 81,443.26 and 28,081.04

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Solution

The fourth proportional to 54,412.16, 81,443.26 and 28,081.04 is: 42,031.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,412.16 : 81,443.26 = 28,081.04 : x
  2. Step 2: Convert to fraction form
    54,412.16/81,443.26 = 28,081.04/x
  3. Step 3: Cross multiply
    54,412.16x = 81,443.26 × 28,081.04
  4. Step 4: Simplify right side
    54,412.16x = 2,287,011,441.79
  5. Step 5: Solve for x
    x = 2,287,011,441.79/54,412.16
  6. Step 6: Final answer
    x = 42,031.26

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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.