Home / 47,015.74-70,523.88-18,948.70

Finding the Fourth Proportional to 47,015.74, 70,523.88 and 18,948.70

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Solution

The fourth proportional to 47,015.74, 70,523.88 and 18,948.70 is: 28,423.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,015.74 : 70,523.88 = 18,948.70 : x
  2. Step 2: Convert to fraction form
    47,015.74/70,523.88 = 18,948.70/x
  3. Step 3: Cross multiply
    47,015.74x = 70,523.88 × 18,948.70
  4. Step 4: Simplify right side
    47,015.74x = 1,336,335,844.96
  5. Step 5: Solve for x
    x = 1,336,335,844.96/47,015.74
  6. Step 6: Final answer
    x = 28,423.16

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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.