Home / 33,307.80-49,947.12-9,929.58

Finding the Fourth Proportional to 33,307.80, 49,947.12 and 9,929.58

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Solution

The fourth proportional to 33,307.80, 49,947.12 and 9,929.58 is: 14,890.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,307.80 : 49,947.12 = 9,929.58 : x
  2. Step 2: Convert to fraction form
    33,307.80/49,947.12 = 9,929.58/x
  3. Step 3: Cross multiply
    33,307.80x = 49,947.12 × 9,929.58
  4. Step 4: Simplify right side
    33,307.80x = 495,953,923.81
  5. Step 5: Solve for x
    x = 495,953,923.81/33,307.80
  6. Step 6: Final answer
    x = 14,890.02

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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.