Home / 47,269.20-70,903.80-38,521.20

Finding the Fourth Proportional to 47,269.20, 70,903.80 and 38,521.20

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Solution

The fourth proportional to 47,269.20, 70,903.80 and 38,521.20 is: 57,781.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,269.20 : 70,903.80 = 38,521.20 : x
  2. Step 2: Convert to fraction form
    47,269.20/70,903.80 = 38,521.20/x
  3. Step 3: Cross multiply
    47,269.20x = 70,903.80 × 38,521.20
  4. Step 4: Simplify right side
    47,269.20x = 2,731,299,460.56
  5. Step 5: Solve for x
    x = 2,731,299,460.56/47,269.20
  6. Step 6: Final answer
    x = 57,781.80

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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.