Home / 29,985.12-41,338.08-21,494.16

Finding the Fourth Proportional to 29,985.12, 41,338.08 and 21,494.16

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Solution

The fourth proportional to 29,985.12, 41,338.08 and 21,494.16 is: 29,632.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,985.12 : 41,338.08 = 21,494.16 : x
  2. Step 2: Convert to fraction form
    29,985.12/41,338.08 = 21,494.16/x
  3. Step 3: Cross multiply
    29,985.12x = 41,338.08 × 21,494.16
  4. Step 4: Simplify right side
    29,985.12x = 888,527,305.61
  5. Step 5: Solve for x
    x = 888,527,305.61/29,985.12
  6. Step 6: Final answer
    x = 29,632.27

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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.