Home / 47,389.84-65,398.10-25,879.78

Finding the Fourth Proportional to 47,389.84, 65,398.10 and 25,879.78

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Solution

The fourth proportional to 47,389.84, 65,398.10 and 25,879.78 is: 35,714.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,389.84 : 65,398.10 = 25,879.78 : x
  2. Step 2: Convert to fraction form
    47,389.84/65,398.10 = 25,879.78/x
  3. Step 3: Cross multiply
    47,389.84x = 65,398.10 × 25,879.78
  4. Step 4: Simplify right side
    47,389.84x = 1,692,488,440.42
  5. Step 5: Solve for x
    x = 1,692,488,440.42/47,389.84
  6. Step 6: Final answer
    x = 35,714.16

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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.