Home / 38,680.78-58,060.29-19,974.18

Finding the Fourth Proportional to 38,680.78, 58,060.29 and 19,974.18

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Solution

The fourth proportional to 38,680.78, 58,060.29 and 19,974.18 is: 29,981.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,680.78 : 58,060.29 = 19,974.18 : x
  2. Step 2: Convert to fraction form
    38,680.78/58,060.29 = 19,974.18/x
  3. Step 3: Cross multiply
    38,680.78x = 58,060.29 × 19,974.18
  4. Step 4: Simplify right side
    38,680.78x = 1,159,706,894.29
  5. Step 5: Solve for x
    x = 1,159,706,894.29/38,680.78
  6. Step 6: Final answer
    x = 29,981.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.