Home / 29,509.34-40,722.35-16,080.71

Finding the Fourth Proportional to 29,509.34, 40,722.35 and 16,080.71

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Solution

The fourth proportional to 29,509.34, 40,722.35 and 16,080.71 is: 22,191.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,509.34 : 40,722.35 = 16,080.71 : x
  2. Step 2: Convert to fraction form
    29,509.34/40,722.35 = 16,080.71/x
  3. Step 3: Cross multiply
    29,509.34x = 40,722.35 × 16,080.71
  4. Step 4: Simplify right side
    29,509.34x = 654,844,016.85
  5. Step 5: Solve for x
    x = 654,844,016.85/29,509.34
  6. Step 6: Final answer
    x = 22,191.08

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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.