Home / 47,900.12-66,102.18-27,768.67

Finding the Fourth Proportional to 47,900.12, 66,102.18 and 27,768.67

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Solution

The fourth proportional to 47,900.12, 66,102.18 and 27,768.67 is: 38,320.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,900.12 : 66,102.18 = 27,768.67 : x
  2. Step 2: Convert to fraction form
    47,900.12/66,102.18 = 27,768.67/x
  3. Step 3: Cross multiply
    47,900.12x = 66,102.18 × 27,768.67
  4. Step 4: Simplify right side
    47,900.12x = 1,835,569,866.48
  5. Step 5: Solve for x
    x = 1,835,569,866.48/47,900.12
  6. Step 6: Final answer
    x = 38,320.78

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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.