Home / 31,842.40-47,812.20-24,455.20

Finding the Fourth Proportional to 31,842.40, 47,812.20 and 24,455.20

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Solution

The fourth proportional to 31,842.40, 47,812.20 and 24,455.20 is: 36,720.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,842.40 : 47,812.20 = 24,455.20 : x
  2. Step 2: Convert to fraction form
    31,842.40/47,812.20 = 24,455.20/x
  3. Step 3: Cross multiply
    31,842.40x = 47,812.20 × 24,455.20
  4. Step 4: Simplify right side
    31,842.40x = 1,169,256,913.44
  5. Step 5: Solve for x
    x = 1,169,256,913.44/31,842.40
  6. Step 6: Final answer
    x = 36,720.13

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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.