Home / 36,018.55-49,701.90-20,908.27

Finding the Fourth Proportional to 36,018.55, 49,701.90 and 20,908.27

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Solution

The fourth proportional to 36,018.55, 49,701.90 and 20,908.27 is: 28,851.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,018.55 : 49,701.90 = 20,908.27 : x
  2. Step 2: Convert to fraction form
    36,018.55/49,701.90 = 20,908.27/x
  3. Step 3: Cross multiply
    36,018.55x = 49,701.90 × 20,908.27
  4. Step 4: Simplify right side
    36,018.55x = 1,039,180,744.71
  5. Step 5: Solve for x
    x = 1,039,180,744.71/36,018.55
  6. Step 6: Final answer
    x = 28,851.27

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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.