Home / 47,276.52-70,915.04-12,213.76

Finding the Fourth Proportional to 47,276.52, 70,915.04 and 12,213.76

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Solution

The fourth proportional to 47,276.52, 70,915.04 and 12,213.76 is: 18,320.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,276.52 : 70,915.04 = 12,213.76 : x
  2. Step 2: Convert to fraction form
    47,276.52/70,915.04 = 12,213.76/x
  3. Step 3: Cross multiply
    47,276.52x = 70,915.04 × 12,213.76
  4. Step 4: Simplify right side
    47,276.52x = 866,139,278.95
  5. Step 5: Solve for x
    x = 866,139,278.95/47,276.52
  6. Step 6: Final answer
    x = 18,320.71

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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.