Home / 31,461.12-43,416.50-18,033.18

Finding the Fourth Proportional to 31,461.12, 43,416.50 and 18,033.18

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Solution

The fourth proportional to 31,461.12, 43,416.50 and 18,033.18 is: 24,885.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,461.12 : 43,416.50 = 18,033.18 : x
  2. Step 2: Convert to fraction form
    31,461.12/43,416.50 = 18,033.18/x
  3. Step 3: Cross multiply
    31,461.12x = 43,416.50 × 18,033.18
  4. Step 4: Simplify right side
    31,461.12x = 782,937,559.47
  5. Step 5: Solve for x
    x = 782,937,559.47/31,461.12
  6. Step 6: Final answer
    x = 24,885.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.