Home / 36,030.95-49,720.70-20,116.42

Finding the Fourth Proportional to 36,030.95, 49,720.70 and 20,116.42

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Solution

The fourth proportional to 36,030.95, 49,720.70 and 20,116.42 is: 27,759.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,030.95 : 49,720.70 = 20,116.42 : x
  2. Step 2: Convert to fraction form
    36,030.95/49,720.70 = 20,116.42/x
  3. Step 3: Cross multiply
    36,030.95x = 49,720.70 × 20,116.42
  4. Step 4: Simplify right side
    36,030.95x = 1,000,202,483.89
  5. Step 5: Solve for x
    x = 1,000,202,483.89/36,030.95
  6. Step 6: Final answer
    x = 27,759.54

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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.