Home / 53,680.59-80,471.61-18,595.67

Finding the Fourth Proportional to 53,680.59, 80,471.61 and 18,595.67

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Solution

The fourth proportional to 53,680.59, 80,471.61 and 18,595.67 is: 27,876.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,680.59 : 80,471.61 = 18,595.67 : x
  2. Step 2: Convert to fraction form
    53,680.59/80,471.61 = 18,595.67/x
  3. Step 3: Cross multiply
    53,680.59x = 80,471.61 × 18,595.67
  4. Step 4: Simplify right side
    53,680.59x = 1,496,423,101.57
  5. Step 5: Solve for x
    x = 1,496,423,101.57/53,680.59
  6. Step 6: Final answer
    x = 27,876.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.