Home / 29,031.45-40,064.97-16,288.66

Finding the Fourth Proportional to 29,031.45, 40,064.97 and 16,288.66

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Solution

The fourth proportional to 29,031.45, 40,064.97 and 16,288.66 is: 22,479.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,031.45 : 40,064.97 = 16,288.66 : x
  2. Step 2: Convert to fraction form
    29,031.45/40,064.97 = 16,288.66/x
  3. Step 3: Cross multiply
    29,031.45x = 40,064.97 × 16,288.66
  4. Step 4: Simplify right side
    29,031.45x = 652,604,674.24
  5. Step 5: Solve for x
    x = 652,604,674.24/29,031.45
  6. Step 6: Final answer
    x = 22,479.23

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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.