Home / 36,196.49-49,952.53-20,280.40

Finding the Fourth Proportional to 36,196.49, 49,952.53 and 20,280.40

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Solution

The fourth proportional to 36,196.49, 49,952.53 and 20,280.40 is: 27,987.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,196.49 : 49,952.53 = 20,280.40 : x
  2. Step 2: Convert to fraction form
    36,196.49/49,952.53 = 20,280.40/x
  3. Step 3: Cross multiply
    36,196.49x = 49,952.53 × 20,280.40
  4. Step 4: Simplify right side
    36,196.49x = 1,013,057,289.41
  5. Step 5: Solve for x
    x = 1,013,057,289.41/36,196.49
  6. Step 6: Final answer
    x = 27,987.72

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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.