Home / 39,838.59-54,970.79-22,839.71

Finding the Fourth Proportional to 39,838.59, 54,970.79 and 22,839.71

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Solution

The fourth proportional to 39,838.59, 54,970.79 and 22,839.71 is: 31,515.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,838.59 : 54,970.79 = 22,839.71 : x
  2. Step 2: Convert to fraction form
    39,838.59/54,970.79 = 22,839.71/x
  3. Step 3: Cross multiply
    39,838.59x = 54,970.79 × 22,839.71
  4. Step 4: Simplify right side
    39,838.59x = 1,255,516,513.02
  5. Step 5: Solve for x
    x = 1,255,516,513.02/39,838.59
  6. Step 6: Final answer
    x = 31,515.08

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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.