Home / 35,719.90-49,294.65-21,569.92

Finding the Fourth Proportional to 35,719.90, 49,294.65 and 21,569.92

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Solution

The fourth proportional to 35,719.90, 49,294.65 and 21,569.92 is: 29,767.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,719.90 : 49,294.65 = 21,569.92 : x
  2. Step 2: Convert to fraction form
    35,719.90/49,294.65 = 21,569.92/x
  3. Step 3: Cross multiply
    35,719.90x = 49,294.65 × 21,569.92
  4. Step 4: Simplify right side
    35,719.90x = 1,063,281,656.93
  5. Step 5: Solve for x
    x = 1,063,281,656.93/35,719.90
  6. Step 6: Final answer
    x = 29,767.21

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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.