Home / 36,222.81-49,987.04-20,306.93

Finding the Fourth Proportional to 36,222.81, 49,987.04 and 20,306.93

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Solution

The fourth proportional to 36,222.81, 49,987.04 and 20,306.93 is: 28,023.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,222.81 : 49,987.04 = 20,306.93 : x
  2. Step 2: Convert to fraction form
    36,222.81/49,987.04 = 20,306.93/x
  3. Step 3: Cross multiply
    36,222.81x = 49,987.04 × 20,306.93
  4. Step 4: Simplify right side
    36,222.81x = 1,015,082,970.72
  5. Step 5: Solve for x
    x = 1,015,082,970.72/36,222.81
  6. Step 6: Final answer
    x = 28,023.31

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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.