Home / 36,019.96-49,710.36-20,106.80

Finding the Fourth Proportional to 36,019.96, 49,710.36 and 20,106.80

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Solution

The fourth proportional to 36,019.96, 49,710.36 and 20,106.80 is: 27,748.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,019.96 : 49,710.36 = 20,106.80 : x
  2. Step 2: Convert to fraction form
    36,019.96/49,710.36 = 20,106.80/x
  3. Step 3: Cross multiply
    36,019.96x = 49,710.36 × 20,106.80
  4. Step 4: Simplify right side
    36,019.96x = 999,516,266.45
  5. Step 5: Solve for x
    x = 999,516,266.45/36,019.96
  6. Step 6: Final answer
    x = 27,748.96

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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.