Home / 47,014.74-70,522.38-18,947.70

Finding the Fourth Proportional to 47,014.74, 70,522.38 and 18,947.70

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Solution

The fourth proportional to 47,014.74, 70,522.38 and 18,947.70 is: 28,421.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,014.74 : 70,522.38 = 18,947.70 : x
  2. Step 2: Convert to fraction form
    47,014.74/70,522.38 = 18,947.70/x
  3. Step 3: Cross multiply
    47,014.74x = 70,522.38 × 18,947.70
  4. Step 4: Simplify right side
    47,014.74x = 1,336,236,899.53
  5. Step 5: Solve for x
    x = 1,336,236,899.53/47,014.74
  6. Step 6: Final answer
    x = 28,421.66

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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.