Home / 31,719.68-47,514.87-15,029.11

Finding the Fourth Proportional to 31,719.68, 47,514.87 and 15,029.11

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Solution

The fourth proportional to 31,719.68, 47,514.87 and 15,029.11 is: 22,513.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,719.68 : 47,514.87 = 15,029.11 : x
  2. Step 2: Convert to fraction form
    31,719.68/47,514.87 = 15,029.11/x
  3. Step 3: Cross multiply
    31,719.68x = 47,514.87 × 15,029.11
  4. Step 4: Simplify right side
    31,719.68x = 714,106,267.26
  5. Step 5: Solve for x
    x = 714,106,267.26/31,719.68
  6. Step 6: Final answer
    x = 22,513.03

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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.