Home / 51,280.98-70,771.31-28,624.38

Finding the Fourth Proportional to 51,280.98, 70,771.31 and 28,624.38

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Solution

The fourth proportional to 51,280.98, 70,771.31 and 28,624.38 is: 39,503.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,280.98 : 70,771.31 = 28,624.38 : x
  2. Step 2: Convert to fraction form
    51,280.98/70,771.31 = 28,624.38/x
  3. Step 3: Cross multiply
    51,280.98x = 70,771.31 × 28,624.38
  4. Step 4: Simplify right side
    51,280.98x = 2,025,784,727.42
  5. Step 5: Solve for x
    x = 2,025,784,727.42/51,280.98
  6. Step 6: Final answer
    x = 39,503.63

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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.