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Finding the Fourth Proportional to 37,488.70, 56,233.05 and 9,786.70

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Solution

The fourth proportional to 37,488.70, 56,233.05 and 9,786.70 is: 14,680.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,488.70 : 56,233.05 = 9,786.70 : x
  2. Step 2: Convert to fraction form
    37,488.70/56,233.05 = 9,786.70/x
  3. Step 3: Cross multiply
    37,488.70x = 56,233.05 × 9,786.70
  4. Step 4: Simplify right side
    37,488.70x = 550,335,990.44
  5. Step 5: Solve for x
    x = 550,335,990.44/37,488.70
  6. Step 6: Final answer
    x = 14,680.05

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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.