Home / 54,142.04-81,226.90-22,541.60

Finding the Fourth Proportional to 54,142.04, 81,226.90 and 22,541.60

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Solution

The fourth proportional to 54,142.04, 81,226.90 and 22,541.60 is: 33,818.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,142.04 : 81,226.90 = 22,541.60 : x
  2. Step 2: Convert to fraction form
    54,142.04/81,226.90 = 22,541.60/x
  3. Step 3: Cross multiply
    54,142.04x = 81,226.90 × 22,541.60
  4. Step 4: Simplify right side
    54,142.04x = 1,830,984,289.04
  5. Step 5: Solve for x
    x = 1,830,984,289.04/54,142.04
  6. Step 6: Final answer
    x = 33,818.16

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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.