Home / 54,301.60-81,482.99-42,422.04

Finding the Fourth Proportional to 54,301.60, 81,482.99 and 42,422.04

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Solution

The fourth proportional to 54,301.60, 81,482.99 and 42,422.04 is: 63,656.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,301.60 : 81,482.99 = 42,422.04 : x
  2. Step 2: Convert to fraction form
    54,301.60/81,482.99 = 42,422.04/x
  3. Step 3: Cross multiply
    54,301.60x = 81,482.99 × 42,422.04
  4. Step 4: Simplify right side
    54,301.60x = 3,456,674,448.99
  5. Step 5: Solve for x
    x = 3,456,674,448.99/54,301.60
  6. Step 6: Final answer
    x = 63,656.95

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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.