Home / 40,155.12-55,411.56-22,249.08

Finding the Fourth Proportional to 40,155.12, 55,411.56 and 22,249.08

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Solution

The fourth proportional to 40,155.12, 55,411.56 and 22,249.08 is: 30,702.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,155.12 : 55,411.56 = 22,249.08 : x
  2. Step 2: Convert to fraction form
    40,155.12/55,411.56 = 22,249.08/x
  3. Step 3: Cross multiply
    40,155.12x = 55,411.56 × 22,249.08
  4. Step 4: Simplify right side
    40,155.12x = 1,232,856,231.36
  5. Step 5: Solve for x
    x = 1,232,856,231.36/40,155.12
  6. Step 6: Final answer
    x = 30,702.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.