Home / 33,116.88-49,681.41-10,931.79

Finding the Fourth Proportional to 33,116.88, 49,681.41 and 10,931.79

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Solution

The fourth proportional to 33,116.88, 49,681.41 and 10,931.79 is: 16,399.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,116.88 : 49,681.41 = 10,931.79 : x
  2. Step 2: Convert to fraction form
    33,116.88/49,681.41 = 10,931.79/x
  3. Step 3: Cross multiply
    33,116.88x = 49,681.41 × 10,931.79
  4. Step 4: Simplify right side
    33,116.88x = 543,106,741.02
  5. Step 5: Solve for x
    x = 543,106,741.02/33,116.88
  6. Step 6: Final answer
    x = 16,399.70

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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.