Home / 31,544.70-47,222.52-30,423.15

Finding the Fourth Proportional to 31,544.70, 47,222.52 and 30,423.15

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Solution

The fourth proportional to 31,544.70, 47,222.52 and 30,423.15 is: 45,543.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,544.70 : 47,222.52 = 30,423.15 : x
  2. Step 2: Convert to fraction form
    31,544.70/47,222.52 = 30,423.15/x
  3. Step 3: Cross multiply
    31,544.70x = 47,222.52 × 30,423.15
  4. Step 4: Simplify right side
    31,544.70x = 1,436,657,809.34
  5. Step 5: Solve for x
    x = 1,436,657,809.34/31,544.70
  6. Step 6: Final answer
    x = 45,543.56

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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.