Home / 37,600.08-56,392.92-12,640.56

Finding the Fourth Proportional to 37,600.08, 56,392.92 and 12,640.56

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Solution

The fourth proportional to 37,600.08, 56,392.92 and 12,640.56 is: 18,958.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,600.08 : 56,392.92 = 12,640.56 : x
  2. Step 2: Convert to fraction form
    37,600.08/56,392.92 = 12,640.56/x
  3. Step 3: Cross multiply
    37,600.08x = 56,392.92 × 12,640.56
  4. Step 4: Simplify right side
    37,600.08x = 712,838,088.84
  5. Step 5: Solve for x
    x = 712,838,088.84/37,600.08
  6. Step 6: Final answer
    x = 18,958.42

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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.