Home / 37,597.20-56,396.70-12,638.10

Finding the Fourth Proportional to 37,597.20, 56,396.70 and 12,638.10

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Solution

The fourth proportional to 37,597.20, 56,396.70 and 12,638.10 is: 18,957.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,597.20 : 56,396.70 = 12,638.10 : x
  2. Step 2: Convert to fraction form
    37,597.20/56,396.70 = 12,638.10/x
  3. Step 3: Cross multiply
    37,597.20x = 56,396.70 × 12,638.10
  4. Step 4: Simplify right side
    37,597.20x = 712,747,134.27
  5. Step 5: Solve for x
    x = 712,747,134.27/37,597.20
  6. Step 6: Final answer
    x = 18,957.45

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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.