Home / 37,440.77-56,161.76-12,480.48

Finding the Fourth Proportional to 37,440.77, 56,161.76 and 12,480.48

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Solution

The fourth proportional to 37,440.77, 56,161.76 and 12,480.48 is: 18,720.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,440.77 : 56,161.76 = 12,480.48 : x
  2. Step 2: Convert to fraction form
    37,440.77/56,161.76 = 12,480.48/x
  3. Step 3: Cross multiply
    37,440.77x = 56,161.76 × 12,480.48
  4. Step 4: Simplify right side
    37,440.77x = 700,925,660.04
  5. Step 5: Solve for x
    x = 700,925,660.04/37,440.77
  6. Step 6: Final answer
    x = 18,720.92

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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.