Home / 42,179.40-58,201.20-23,316.66

Finding the Fourth Proportional to 42,179.40, 58,201.20 and 23,316.66

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Solution

The fourth proportional to 42,179.40, 58,201.20 and 23,316.66 is: 32,173.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,179.40 : 58,201.20 = 23,316.66 : x
  2. Step 2: Convert to fraction form
    42,179.40/58,201.20 = 23,316.66/x
  3. Step 3: Cross multiply
    42,179.40x = 58,201.20 × 23,316.66
  4. Step 4: Simplify right side
    42,179.40x = 1,357,057,591.99
  5. Step 5: Solve for x
    x = 1,357,057,591.99/42,179.40
  6. Step 6: Final answer
    x = 32,173.47

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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.