Home / 31,742.08-47,616.36-10,962.88

Finding the Fourth Proportional to 31,742.08, 47,616.36 and 10,962.88

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Solution

The fourth proportional to 31,742.08, 47,616.36 and 10,962.88 is: 16,445.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,742.08 : 47,616.36 = 10,962.88 : x
  2. Step 2: Convert to fraction form
    31,742.08/47,616.36 = 10,962.88/x
  3. Step 3: Cross multiply
    31,742.08x = 47,616.36 × 10,962.88
  4. Step 4: Simplify right side
    31,742.08x = 522,012,147.82
  5. Step 5: Solve for x
    x = 522,012,147.82/31,742.08
  6. Step 6: Final answer
    x = 16,445.43

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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.