Home / 54,358.32-81,528.84-17,422.32

Finding the Fourth Proportional to 54,358.32, 81,528.84 and 17,422.32

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Solution

The fourth proportional to 54,358.32, 81,528.84 and 17,422.32 is: 26,130.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,358.32 : 81,528.84 = 17,422.32 : x
  2. Step 2: Convert to fraction form
    54,358.32/81,528.84 = 17,422.32/x
  3. Step 3: Cross multiply
    54,358.32x = 81,528.84 × 17,422.32
  4. Step 4: Simplify right side
    54,358.32x = 1,420,421,539.71
  5. Step 5: Solve for x
    x = 1,420,421,539.71/54,358.32
  6. Step 6: Final answer
    x = 26,130.71

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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.