Home / 47,213.04-70,819.47-13,956.42

Finding the Fourth Proportional to 47,213.04, 70,819.47 and 13,956.42

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Solution

The fourth proportional to 47,213.04, 70,819.47 and 13,956.42 is: 20,934.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,213.04 : 70,819.47 = 13,956.42 : x
  2. Step 2: Convert to fraction form
    47,213.04/70,819.47 = 13,956.42/x
  3. Step 3: Cross multiply
    47,213.04x = 70,819.47 × 13,956.42
  4. Step 4: Simplify right side
    47,213.04x = 988,386,267.50
  5. Step 5: Solve for x
    x = 988,386,267.50/47,213.04
  6. Step 6: Final answer
    x = 20,934.60

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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.