Home / 47,749.20-65,882.40-28,634.88

Finding the Fourth Proportional to 47,749.20, 65,882.40 and 28,634.88

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Solution

The fourth proportional to 47,749.20, 65,882.40 and 28,634.88 is: 39,509.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,749.20 : 65,882.40 = 28,634.88 : x
  2. Step 2: Convert to fraction form
    47,749.20/65,882.40 = 28,634.88/x
  3. Step 3: Cross multiply
    47,749.20x = 65,882.40 × 28,634.88
  4. Step 4: Simplify right side
    47,749.20x = 1,886,534,618.11
  5. Step 5: Solve for x
    x = 1,886,534,618.11/47,749.20
  6. Step 6: Final answer
    x = 39,509.24

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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.