Home / 29,509.05-40,722.95-16,080.29

Finding the Fourth Proportional to 29,509.05, 40,722.95 and 16,080.29

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Solution

The fourth proportional to 29,509.05, 40,722.95 and 16,080.29 is: 22,191.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,509.05 : 40,722.95 = 16,080.29 : x
  2. Step 2: Convert to fraction form
    29,509.05/40,722.95 = 16,080.29/x
  3. Step 3: Cross multiply
    29,509.05x = 40,722.95 × 16,080.29
  4. Step 4: Simplify right side
    29,509.05x = 654,836,834.95
  5. Step 5: Solve for x
    x = 654,836,834.95/29,509.05
  6. Step 6: Final answer
    x = 22,191.05

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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.