Home / 31,820.20-47,718.15-9,626.20

Finding the Fourth Proportional to 31,820.20, 47,718.15 and 9,626.20

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Solution

The fourth proportional to 31,820.20, 47,718.15 and 9,626.20 is: 14,435.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,820.20 : 47,718.15 = 9,626.20 : x
  2. Step 2: Convert to fraction form
    31,820.20/47,718.15 = 9,626.20/x
  3. Step 3: Cross multiply
    31,820.20x = 47,718.15 × 9,626.20
  4. Step 4: Simplify right side
    31,820.20x = 459,344,455.53
  5. Step 5: Solve for x
    x = 459,344,455.53/31,820.20
  6. Step 6: Final answer
    x = 14,435.62

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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.