Home / 31,646.45-47,460.10-10,581.08

Finding the Fourth Proportional to 31,646.45, 47,460.10 and 10,581.08

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Solution

The fourth proportional to 31,646.45, 47,460.10 and 10,581.08 is: 15,868.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,646.45 : 47,460.10 = 10,581.08 : x
  2. Step 2: Convert to fraction form
    31,646.45/47,460.10 = 10,581.08/x
  3. Step 3: Cross multiply
    31,646.45x = 47,460.10 × 10,581.08
  4. Step 4: Simplify right side
    31,646.45x = 502,179,114.91
  5. Step 5: Solve for x
    x = 502,179,114.91/31,646.45
  6. Step 6: Final answer
    x = 15,868.42

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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.