Home / 29,427.02-40,569.54-19,979.18

Finding the Fourth Proportional to 29,427.02, 40,569.54 and 19,979.18

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Solution

The fourth proportional to 29,427.02, 40,569.54 and 19,979.18 is: 27,544.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,427.02 : 40,569.54 = 19,979.18 : x
  2. Step 2: Convert to fraction form
    29,427.02/40,569.54 = 19,979.18/x
  3. Step 3: Cross multiply
    29,427.02x = 40,569.54 × 19,979.18
  4. Step 4: Simplify right side
    29,427.02x = 810,546,142.18
  5. Step 5: Solve for x
    x = 810,546,142.18/29,427.02
  6. Step 6: Final answer
    x = 27,544.28

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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.