Home / 29,719.02-41,016.45-18,392.16

Finding the Fourth Proportional to 29,719.02, 41,016.45 and 18,392.16

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Solution

The fourth proportional to 29,719.02, 41,016.45 and 18,392.16 is: 25,383.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,719.02 : 41,016.45 = 18,392.16 : x
  2. Step 2: Convert to fraction form
    29,719.02/41,016.45 = 18,392.16/x
  3. Step 3: Cross multiply
    29,719.02x = 41,016.45 × 18,392.16
  4. Step 4: Simplify right side
    29,719.02x = 754,381,111.03
  5. Step 5: Solve for x
    x = 754,381,111.03/29,719.02
  6. Step 6: Final answer
    x = 25,383.78

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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.