Home / 36,018.84-49,698.02-20,902.71

Finding the Fourth Proportional to 36,018.84, 49,698.02 and 20,902.71

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Solution

The fourth proportional to 36,018.84, 49,698.02 and 20,902.71 is: 28,841.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,018.84 : 49,698.02 = 20,902.71 : x
  2. Step 2: Convert to fraction form
    36,018.84/49,698.02 = 20,902.71/x
  3. Step 3: Cross multiply
    36,018.84x = 49,698.02 × 20,902.71
  4. Step 4: Simplify right side
    36,018.84x = 1,038,823,195.12
  5. Step 5: Solve for x
    x = 1,038,823,195.12/36,018.84
  6. Step 6: Final answer
    x = 28,841.11

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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.