Home / 47,979.72-66,212.13-26,760.36

Finding the Fourth Proportional to 47,979.72, 66,212.13 and 26,760.36

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Solution

The fourth proportional to 47,979.72, 66,212.13 and 26,760.36 is: 36,929.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,979.72 : 66,212.13 = 26,760.36 : x
  2. Step 2: Convert to fraction form
    47,979.72/66,212.13 = 26,760.36/x
  3. Step 3: Cross multiply
    47,979.72x = 66,212.13 × 26,760.36
  4. Step 4: Simplify right side
    47,979.72x = 1,771,860,435.17
  5. Step 5: Solve for x
    x = 1,771,860,435.17/47,979.72
  6. Step 6: Final answer
    x = 36,929.36

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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.