Home / 31,499.10-47,205.45-25,667.10

Finding the Fourth Proportional to 31,499.10, 47,205.45 and 25,667.10

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Solution

The fourth proportional to 31,499.10, 47,205.45 and 25,667.10 is: 38,465.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,499.10 : 47,205.45 = 25,667.10 : x
  2. Step 2: Convert to fraction form
    31,499.10/47,205.45 = 25,667.10/x
  3. Step 3: Cross multiply
    31,499.10x = 47,205.45 × 25,667.10
  4. Step 4: Simplify right side
    31,499.10x = 1,211,627,005.70
  5. Step 5: Solve for x
    x = 1,211,627,005.70/31,499.10
  6. Step 6: Final answer
    x = 38,465.45

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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.