Home / 35,788.17-49,386.74-19,872.21

Finding the Fourth Proportional to 35,788.17, 49,386.74 and 19,872.21

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Solution

The fourth proportional to 35,788.17, 49,386.74 and 19,872.21 is: 27,423.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,788.17 : 49,386.74 = 19,872.21 : x
  2. Step 2: Convert to fraction form
    35,788.17/49,386.74 = 19,872.21/x
  3. Step 3: Cross multiply
    35,788.17x = 49,386.74 × 19,872.21
  4. Step 4: Simplify right side
    35,788.17x = 981,423,569.13
  5. Step 5: Solve for x
    x = 981,423,569.13/35,788.17
  6. Step 6: Final answer
    x = 27,423.13

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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.