Home / 36,045.24-49,742.64-20,131.08

Finding the Fourth Proportional to 36,045.24, 49,742.64 and 20,131.08

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Solution

The fourth proportional to 36,045.24, 49,742.64 and 20,131.08 is: 27,781.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,045.24 : 49,742.64 = 20,131.08 : x
  2. Step 2: Convert to fraction form
    36,045.24/49,742.64 = 20,131.08/x
  3. Step 3: Cross multiply
    36,045.24x = 49,742.64 × 20,131.08
  4. Step 4: Simplify right side
    36,045.24x = 1,001,373,065.25
  5. Step 5: Solve for x
    x = 1,001,373,065.25/36,045.24
  6. Step 6: Final answer
    x = 27,781.01

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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.