Home / 29,320.32-40,456.08-17,378.40

Finding the Fourth Proportional to 29,320.32, 40,456.08 and 17,378.40

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Solution

The fourth proportional to 29,320.32, 40,456.08 and 17,378.40 is: 23,978.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,320.32 : 40,456.08 = 17,378.40 : x
  2. Step 2: Convert to fraction form
    29,320.32/40,456.08 = 17,378.40/x
  3. Step 3: Cross multiply
    29,320.32x = 40,456.08 × 17,378.40
  4. Step 4: Simplify right side
    29,320.32x = 703,061,940.67
  5. Step 5: Solve for x
    x = 703,061,940.67/29,320.32
  6. Step 6: Final answer
    x = 23,978.66

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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.