Home / 34,403.76-47,475.59-20,253.87

Finding the Fourth Proportional to 34,403.76, 47,475.59 and 20,253.87

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Solution

The fourth proportional to 34,403.76, 47,475.59 and 20,253.87 is: 27,949.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,403.76 : 47,475.59 = 20,253.87 : x
  2. Step 2: Convert to fraction form
    34,403.76/47,475.59 = 20,253.87/x
  3. Step 3: Cross multiply
    34,403.76x = 47,475.59 × 20,253.87
  4. Step 4: Simplify right side
    34,403.76x = 961,564,326.76
  5. Step 5: Solve for x
    x = 961,564,326.76/34,403.76
  6. Step 6: Final answer
    x = 27,949.40

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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.