Home / 47,081.28-70,622.05-11,542.76

Finding the Fourth Proportional to 47,081.28, 70,622.05 and 11,542.76

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Solution

The fourth proportional to 47,081.28, 70,622.05 and 11,542.76 is: 17,314.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,081.28 : 70,622.05 = 11,542.76 : x
  2. Step 2: Convert to fraction form
    47,081.28/70,622.05 = 11,542.76/x
  3. Step 3: Cross multiply
    47,081.28x = 70,622.05 × 11,542.76
  4. Step 4: Simplify right side
    47,081.28x = 815,173,509.45
  5. Step 5: Solve for x
    x = 815,173,509.45/47,081.28
  6. Step 6: Final answer
    x = 17,314.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.