Home / 36,148.66-49,885.40-21,050.12

Finding the Fourth Proportional to 36,148.66, 49,885.40 and 21,050.12

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Solution

The fourth proportional to 36,148.66, 49,885.40 and 21,050.12 is: 29,049.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,148.66 : 49,885.40 = 21,050.12 : x
  2. Step 2: Convert to fraction form
    36,148.66/49,885.40 = 21,050.12/x
  3. Step 3: Cross multiply
    36,148.66x = 49,885.40 × 21,050.12
  4. Step 4: Simplify right side
    36,148.66x = 1,050,093,656.25
  5. Step 5: Solve for x
    x = 1,050,093,656.25/36,148.66
  6. Step 6: Final answer
    x = 29,049.31

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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.