Home / 42,220.16-63,359.08-22,512.56

Finding the Fourth Proportional to 42,220.16, 63,359.08 and 22,512.56

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Solution

The fourth proportional to 42,220.16, 63,359.08 and 22,512.56 is: 33,784.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,220.16 : 63,359.08 = 22,512.56 : x
  2. Step 2: Convert to fraction form
    42,220.16/63,359.08 = 22,512.56/x
  3. Step 3: Cross multiply
    42,220.16x = 63,359.08 × 22,512.56
  4. Step 4: Simplify right side
    42,220.16x = 1,426,375,090.04
  5. Step 5: Solve for x
    x = 1,426,375,090.04/42,220.16
  6. Step 6: Final answer
    x = 33,784.22

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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.