Home / 31,821.40-47,780.70-24,434.20

Finding the Fourth Proportional to 31,821.40, 47,780.70 and 24,434.20

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Solution

The fourth proportional to 31,821.40, 47,780.70 and 24,434.20 is: 36,688.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,821.40 : 47,780.70 = 24,434.20 : x
  2. Step 2: Convert to fraction form
    31,821.40/47,780.70 = 24,434.20/x
  3. Step 3: Cross multiply
    31,821.40x = 47,780.70 × 24,434.20
  4. Step 4: Simplify right side
    31,821.40x = 1,167,483,179.94
  5. Step 5: Solve for x
    x = 1,167,483,179.94/31,821.40
  6. Step 6: Final answer
    x = 36,688.62

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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.