Home / 47,276.34-70,911.27-12,214.68

Finding the Fourth Proportional to 47,276.34, 70,911.27 and 12,214.68

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Solution

The fourth proportional to 47,276.34, 70,911.27 and 12,214.68 is: 18,321.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,276.34 : 70,911.27 = 12,214.68 : x
  2. Step 2: Convert to fraction form
    47,276.34/70,911.27 = 12,214.68/x
  3. Step 3: Cross multiply
    47,276.34x = 70,911.27 × 12,214.68
  4. Step 4: Simplify right side
    47,276.34x = 866,158,471.44
  5. Step 5: Solve for x
    x = 866,158,471.44/47,276.34
  6. Step 6: Final answer
    x = 18,321.18

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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.