Home / 33,290.76-49,943.34-9,919.08

Finding the Fourth Proportional to 33,290.76, 49,943.34 and 9,919.08

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Solution

The fourth proportional to 33,290.76, 49,943.34 and 9,919.08 is: 14,880.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,290.76 : 49,943.34 = 9,919.08 : x
  2. Step 2: Convert to fraction form
    33,290.76/49,943.34 = 9,919.08/x
  3. Step 3: Cross multiply
    33,290.76x = 49,943.34 × 9,919.08
  4. Step 4: Simplify right side
    33,290.76x = 495,391,984.93
  5. Step 5: Solve for x
    x = 495,391,984.93/33,290.76
  6. Step 6: Final answer
    x = 14,880.77

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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.