Home / 29,331.68-40,511.13-19,883.84

Finding the Fourth Proportional to 29,331.68, 40,511.13 and 19,883.84

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Solution

The fourth proportional to 29,331.68, 40,511.13 and 19,883.84 is: 27,462.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,331.68 : 40,511.13 = 19,883.84 : x
  2. Step 2: Convert to fraction form
    29,331.68/40,511.13 = 19,883.84/x
  3. Step 3: Cross multiply
    29,331.68x = 40,511.13 × 19,883.84
  4. Step 4: Simplify right side
    29,331.68x = 805,516,978.13
  5. Step 5: Solve for x
    x = 805,516,978.13/29,331.68
  6. Step 6: Final answer
    x = 27,462.35

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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.