Home / 42,139.62-58,152.67-23,276.74

Finding the Fourth Proportional to 42,139.62, 58,152.67 and 23,276.74

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Solution

The fourth proportional to 42,139.62, 58,152.67 and 23,276.74 is: 32,121.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,139.62 : 58,152.67 = 23,276.74 : x
  2. Step 2: Convert to fraction form
    42,139.62/58,152.67 = 23,276.74/x
  3. Step 3: Cross multiply
    42,139.62x = 58,152.67 × 23,276.74
  4. Step 4: Simplify right side
    42,139.62x = 1,353,604,747.11
  5. Step 5: Solve for x
    x = 1,353,604,747.11/42,139.62
  6. Step 6: Final answer
    x = 32,121.90

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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.