Home / 51,435.04-71,020.62-39,479.44

Finding the Fourth Proportional to 51,435.04, 71,020.62 and 39,479.44

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Solution

The fourth proportional to 51,435.04, 71,020.62 and 39,479.44 is: 54,512.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,435.04 : 71,020.62 = 39,479.44 : x
  2. Step 2: Convert to fraction form
    51,435.04/71,020.62 = 39,479.44/x
  3. Step 3: Cross multiply
    51,435.04x = 71,020.62 × 39,479.44
  4. Step 4: Simplify right side
    51,435.04x = 2,803,854,306.05
  5. Step 5: Solve for x
    x = 2,803,854,306.05/51,435.04
  6. Step 6: Final answer
    x = 54,512.53

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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.