Home / 29,229.32-40,309.98-19,154.10

Finding the Fourth Proportional to 29,229.32, 40,309.98 and 19,154.10

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Solution

The fourth proportional to 29,229.32, 40,309.98 and 19,154.10 is: 26,415.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,229.32 : 40,309.98 = 19,154.10 : x
  2. Step 2: Convert to fraction form
    29,229.32/40,309.98 = 19,154.10/x
  3. Step 3: Cross multiply
    29,229.32x = 40,309.98 × 19,154.10
  4. Step 4: Simplify right side
    29,229.32x = 772,101,387.92
  5. Step 5: Solve for x
    x = 772,101,387.92/29,229.32
  6. Step 6: Final answer
    x = 26,415.30

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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.