Home / 34,909.92-48,176.70-18,995.40

Finding the Fourth Proportional to 34,909.92, 48,176.70 and 18,995.40

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Solution

The fourth proportional to 34,909.92, 48,176.70 and 18,995.40 is: 26,214.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,909.92 : 48,176.70 = 18,995.40 : x
  2. Step 2: Convert to fraction form
    34,909.92/48,176.70 = 18,995.40/x
  3. Step 3: Cross multiply
    34,909.92x = 48,176.70 × 18,995.40
  4. Step 4: Simplify right side
    34,909.92x = 915,135,687.18
  5. Step 5: Solve for x
    x = 915,135,687.18/34,909.92
  6. Step 6: Final answer
    x = 26,214.20

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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.