Home / 47,274.84-70,909.02-12,213.18

Finding the Fourth Proportional to 47,274.84, 70,909.02 and 12,213.18

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Solution

The fourth proportional to 47,274.84, 70,909.02 and 12,213.18 is: 18,318.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,274.84 : 70,909.02 = 12,213.18 : x
  2. Step 2: Convert to fraction form
    47,274.84/70,909.02 = 12,213.18/x
  3. Step 3: Cross multiply
    47,274.84x = 70,909.02 × 12,213.18
  4. Step 4: Simplify right side
    47,274.84x = 866,024,624.88
  5. Step 5: Solve for x
    x = 866,024,624.88/47,274.84
  6. Step 6: Final answer
    x = 18,318.93

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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.