Home / 47,029.35-70,543.25-18,948.72

Finding the Fourth Proportional to 47,029.35, 70,543.25 and 18,948.72

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Solution

The fourth proportional to 47,029.35, 70,543.25 and 18,948.72 is: 28,422.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,029.35 : 70,543.25 = 18,948.72 : x
  2. Step 2: Convert to fraction form
    47,029.35/70,543.25 = 18,948.72/x
  3. Step 3: Cross multiply
    47,029.35x = 70,543.25 × 18,948.72
  4. Step 4: Simplify right side
    47,029.35x = 1,336,704,292.14
  5. Step 5: Solve for x
    x = 1,336,704,292.14/47,029.35
  6. Step 6: Final answer
    x = 28,422.77

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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.