Home / 42,195.30-58,221.09-23,328.78

Finding the Fourth Proportional to 42,195.30, 58,221.09 and 23,328.78

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Solution

The fourth proportional to 42,195.30, 58,221.09 and 23,328.78 is: 32,189.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,195.30 : 58,221.09 = 23,328.78 : x
  2. Step 2: Convert to fraction form
    42,195.30/58,221.09 = 23,328.78/x
  3. Step 3: Cross multiply
    42,195.30x = 58,221.09 × 23,328.78
  4. Step 4: Simplify right side
    42,195.30x = 1,358,226,999.97
  5. Step 5: Solve for x
    x = 1,358,226,999.97/42,195.30
  6. Step 6: Final answer
    x = 32,189.06

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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.