Home / 42,189.60-63,357.30-22,506.60

Finding the Fourth Proportional to 42,189.60, 63,357.30 and 22,506.60

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Solution

The fourth proportional to 42,189.60, 63,357.30 and 22,506.60 is: 33,798.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,189.60 : 63,357.30 = 22,506.60 : x
  2. Step 2: Convert to fraction form
    42,189.60/63,357.30 = 22,506.60/x
  3. Step 3: Cross multiply
    42,189.60x = 63,357.30 × 22,506.60
  4. Step 4: Simplify right side
    42,189.60x = 1,425,957,408.18
  5. Step 5: Solve for x
    x = 1,425,957,408.18/42,189.60
  6. Step 6: Final answer
    x = 33,798.79

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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.