Home / 31,494.68-43,461.84-18,073.76

Finding the Fourth Proportional to 31,494.68, 43,461.84 and 18,073.76

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Solution

The fourth proportional to 31,494.68, 43,461.84 and 18,073.76 is: 24,941.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,494.68 : 43,461.84 = 18,073.76 : x
  2. Step 2: Convert to fraction form
    31,494.68/43,461.84 = 18,073.76/x
  3. Step 3: Cross multiply
    31,494.68x = 43,461.84 × 18,073.76
  4. Step 4: Simplify right side
    31,494.68x = 785,518,865.32
  5. Step 5: Solve for x
    x = 785,518,865.32/31,494.68
  6. Step 6: Final answer
    x = 24,941.32

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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.