Home / 42,198.30-58,225.23-23,331.78

Finding the Fourth Proportional to 42,198.30, 58,225.23 and 23,331.78

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Solution

The fourth proportional to 42,198.30, 58,225.23 and 23,331.78 is: 32,193.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,198.30 : 58,225.23 = 23,331.78 : x
  2. Step 2: Convert to fraction form
    42,198.30/58,225.23 = 23,331.78/x
  3. Step 3: Cross multiply
    42,198.30x = 58,225.23 × 23,331.78
  4. Step 4: Simplify right side
    42,198.30x = 1,358,498,256.81
  5. Step 5: Solve for x
    x = 1,358,498,256.81/42,198.30
  6. Step 6: Final answer
    x = 32,193.20

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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.