Home / 37,981.85-56,912.36-25,455.74

Finding the Fourth Proportional to 37,981.85, 56,912.36 and 25,455.74

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Solution

The fourth proportional to 37,981.85, 56,912.36 and 25,455.74 is: 38,143.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,981.85 : 56,912.36 = 25,455.74 : x
  2. Step 2: Convert to fraction form
    37,981.85/56,912.36 = 25,455.74/x
  3. Step 3: Cross multiply
    37,981.85x = 56,912.36 × 25,455.74
  4. Step 4: Simplify right side
    37,981.85x = 1,448,745,827.11
  5. Step 5: Solve for x
    x = 1,448,745,827.11/37,981.85
  6. Step 6: Final answer
    x = 38,143.11

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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.