Home / 47,908.48-66,112.32-27,765.76

Finding the Fourth Proportional to 47,908.48, 66,112.32 and 27,765.76

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Solution

The fourth proportional to 47,908.48, 66,112.32 and 27,765.76 is: 38,315.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,908.48 : 66,112.32 = 27,765.76 : x
  2. Step 2: Convert to fraction form
    47,908.48/66,112.32 = 27,765.76/x
  3. Step 3: Cross multiply
    47,908.48x = 66,112.32 × 27,765.76
  4. Step 4: Simplify right side
    47,908.48x = 1,835,658,810.16
  5. Step 5: Solve for x
    x = 1,835,658,810.16/47,908.48
  6. Step 6: Final answer
    x = 38,315.95

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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.