Home / 31,785.19-47,677.79-24,770.45

Finding the Fourth Proportional to 31,785.19, 47,677.79 and 24,770.45

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Solution

The fourth proportional to 31,785.19, 47,677.79 and 24,770.45 is: 37,155.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,785.19 : 47,677.79 = 24,770.45 : x
  2. Step 2: Convert to fraction form
    31,785.19/47,677.79 = 24,770.45/x
  3. Step 3: Cross multiply
    31,785.19x = 47,677.79 × 24,770.45
  4. Step 4: Simplify right side
    31,785.19x = 1,181,000,494.43
  5. Step 5: Solve for x
    x = 1,181,000,494.43/31,785.19
  6. Step 6: Final answer
    x = 37,155.69

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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.