Home / 29,569.67-40,815.19-18,242.69

Finding the Fourth Proportional to 29,569.67, 40,815.19 and 18,242.69

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Solution

The fourth proportional to 29,569.67, 40,815.19 and 18,242.69 is: 25,180.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,569.67 : 40,815.19 = 18,242.69 : x
  2. Step 2: Convert to fraction form
    29,569.67/40,815.19 = 18,242.69/x
  3. Step 3: Cross multiply
    29,569.67x = 40,815.19 × 18,242.69
  4. Step 4: Simplify right side
    29,569.67x = 744,578,858.46
  5. Step 5: Solve for x
    x = 744,578,858.46/29,569.67
  6. Step 6: Final answer
    x = 25,180.49

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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.