Home / 29,388.89-40,569.08-19,841.71

Finding the Fourth Proportional to 29,388.89, 40,569.08 and 19,841.71

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Solution

The fourth proportional to 29,388.89, 40,569.08 and 19,841.71 is: 27,389.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,388.89 : 40,569.08 = 19,841.71 : x
  2. Step 2: Convert to fraction form
    29,388.89/40,569.08 = 19,841.71/x
  3. Step 3: Cross multiply
    29,388.89x = 40,569.08 × 19,841.71
  4. Step 4: Simplify right side
    29,388.89x = 804,959,719.70
  5. Step 5: Solve for x
    x = 804,959,719.70/29,388.89
  6. Step 6: Final answer
    x = 27,389.94

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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.