Home / 38,874.24-53,680.32-30,476.16

Finding the Fourth Proportional to 38,874.24, 53,680.32 and 30,476.16

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Solution

The fourth proportional to 38,874.24, 53,680.32 and 30,476.16 is: 42,083.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,874.24 : 53,680.32 = 30,476.16 : x
  2. Step 2: Convert to fraction form
    38,874.24/53,680.32 = 30,476.16/x
  3. Step 3: Cross multiply
    38,874.24x = 53,680.32 × 30,476.16
  4. Step 4: Simplify right side
    38,874.24x = 1,635,970,021.17
  5. Step 5: Solve for x
    x = 1,635,970,021.17/38,874.24
  6. Step 6: Final answer
    x = 42,083.65

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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.