Home / 39,376.03-54,336.95-22,378.03

Finding the Fourth Proportional to 39,376.03, 54,336.95 and 22,378.03

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Solution

The fourth proportional to 39,376.03, 54,336.95 and 22,378.03 is: 30,880.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,376.03 : 54,336.95 = 22,378.03 : x
  2. Step 2: Convert to fraction form
    39,376.03/54,336.95 = 22,378.03/x
  3. Step 3: Cross multiply
    39,376.03x = 54,336.95 × 22,378.03
  4. Step 4: Simplify right side
    39,376.03x = 1,215,953,649.48
  5. Step 5: Solve for x
    x = 1,215,953,649.48/39,376.03
  6. Step 6: Final answer
    x = 30,880.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.