Home / 39,376.09-54,336.95-22,378.06

Finding the Fourth Proportional to 39,376.09, 54,336.95 and 22,378.06

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Solution

The fourth proportional to 39,376.09, 54,336.95 and 22,378.06 is: 30,880.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,376.09 : 54,336.95 = 22,378.06 : x
  2. Step 2: Convert to fraction form
    39,376.09/54,336.95 = 22,378.06/x
  3. Step 3: Cross multiply
    39,376.09x = 54,336.95 × 22,378.06
  4. Step 4: Simplify right side
    39,376.09x = 1,215,955,415.43
  5. Step 5: Solve for x
    x = 1,215,955,415.43/39,376.09
  6. Step 6: Final answer
    x = 30,880.55

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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.