Home / 40,145.85-55,404.68-22,246.47

Finding the Fourth Proportional to 40,145.85, 55,404.68 and 22,246.47

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Solution

The fourth proportional to 40,145.85, 55,404.68 and 22,246.47 is: 30,702.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,145.85 : 55,404.68 = 22,246.47 : x
  2. Step 2: Convert to fraction form
    40,145.85/55,404.68 = 22,246.47/x
  3. Step 3: Cross multiply
    40,145.85x = 55,404.68 × 22,246.47
  4. Step 4: Simplify right side
    40,145.85x = 1,232,558,440.25
  5. Step 5: Solve for x
    x = 1,232,558,440.25/40,145.85
  6. Step 6: Final answer
    x = 30,702.01

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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.