Home / 54,528.60-81,845.10-28,252.20

Finding the Fourth Proportional to 54,528.60, 81,845.10 and 28,252.20

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Solution

The fourth proportional to 54,528.60, 81,845.10 and 28,252.20 is: 42,405.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,528.60 : 81,845.10 = 28,252.20 : x
  2. Step 2: Convert to fraction form
    54,528.60/81,845.10 = 28,252.20/x
  3. Step 3: Cross multiply
    54,528.60x = 81,845.10 × 28,252.20
  4. Step 4: Simplify right side
    54,528.60x = 2,312,304,134.22
  5. Step 5: Solve for x
    x = 2,312,304,134.22/54,528.60
  6. Step 6: Final answer
    x = 42,405.35

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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.