Home / 35,421.82-48,883.62-20,318.74

Finding the Fourth Proportional to 35,421.82, 48,883.62 and 20,318.74

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Solution

The fourth proportional to 35,421.82, 48,883.62 and 20,318.74 is: 28,040.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,421.82 : 48,883.62 = 20,318.74 : x
  2. Step 2: Convert to fraction form
    35,421.82/48,883.62 = 20,318.74/x
  3. Step 3: Cross multiply
    35,421.82x = 48,883.62 × 20,318.74
  4. Step 4: Simplify right side
    35,421.82x = 993,253,565.04
  5. Step 5: Solve for x
    x = 993,253,565.04/35,421.82
  6. Step 6: Final answer
    x = 28,040.73

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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.