Home / 50,576.10-75,864.15-18,986.10

Finding the Fourth Proportional to 50,576.10, 75,864.15 and 18,986.10

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Solution

The fourth proportional to 50,576.10, 75,864.15 and 18,986.10 is: 28,479.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,576.10 : 75,864.15 = 18,986.10 : x
  2. Step 2: Convert to fraction form
    50,576.10/75,864.15 = 18,986.10/x
  3. Step 3: Cross multiply
    50,576.10x = 75,864.15 × 18,986.10
  4. Step 4: Simplify right side
    50,576.10x = 1,440,364,338.32
  5. Step 5: Solve for x
    x = 1,440,364,338.32/50,576.10
  6. Step 6: Final answer
    x = 28,479.15

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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.