Home / 50,577.62-75,874.64-18,990.16

Finding the Fourth Proportional to 50,577.62, 75,874.64 and 18,990.16

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Solution

The fourth proportional to 50,577.62, 75,874.64 and 18,990.16 is: 28,488.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,577.62 : 75,874.64 = 18,990.16 : x
  2. Step 2: Convert to fraction form
    50,577.62/75,874.64 = 18,990.16/x
  3. Step 3: Cross multiply
    50,577.62x = 75,874.64 × 18,990.16
  4. Step 4: Simplify right side
    50,577.62x = 1,440,871,268.91
  5. Step 5: Solve for x
    x = 1,440,871,268.91/50,577.62
  6. Step 6: Final answer
    x = 28,488.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.