Home / 47,999.32-66,239.10-26,778.59

Finding the Fourth Proportional to 47,999.32, 66,239.10 and 26,778.59

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Solution

The fourth proportional to 47,999.32, 66,239.10 and 26,778.59 is: 36,954.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,999.32 : 66,239.10 = 26,778.59 : x
  2. Step 2: Convert to fraction form
    47,999.32/66,239.10 = 26,778.59/x
  3. Step 3: Cross multiply
    47,999.32x = 66,239.10 × 26,778.59
  4. Step 4: Simplify right side
    47,999.32x = 1,773,789,618.07
  5. Step 5: Solve for x
    x = 1,773,789,618.07/47,999.32
  6. Step 6: Final answer
    x = 36,954.48

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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.