Home / 29,543.13-40,769.51-21,995.95

Finding the Fourth Proportional to 29,543.13, 40,769.51 and 21,995.95

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Solution

The fourth proportional to 29,543.13, 40,769.51 and 21,995.95 is: 30,354.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,543.13 : 40,769.51 = 21,995.95 : x
  2. Step 2: Convert to fraction form
    29,543.13/40,769.51 = 21,995.95/x
  3. Step 3: Cross multiply
    29,543.13x = 40,769.51 × 21,995.95
  4. Step 4: Simplify right side
    29,543.13x = 896,764,103.48
  5. Step 5: Solve for x
    x = 896,764,103.48/29,543.13
  6. Step 6: Final answer
    x = 30,354.40

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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.