Home / 54,038.40-81,033.28-22,857.60

Finding the Fourth Proportional to 54,038.40, 81,033.28 and 22,857.60

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Solution

The fourth proportional to 54,038.40, 81,033.28 and 22,857.60 is: 34,276.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,038.40 : 81,033.28 = 22,857.60 : x
  2. Step 2: Convert to fraction form
    54,038.40/81,033.28 = 22,857.60/x
  3. Step 3: Cross multiply
    54,038.40x = 81,033.28 × 22,857.60
  4. Step 4: Simplify right side
    54,038.40x = 1,852,226,300.93
  5. Step 5: Solve for x
    x = 1,852,226,300.93/54,038.40
  6. Step 6: Final answer
    x = 34,276.11

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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.