Home / 51,035.61-70,425.90-28,372.80

Finding the Fourth Proportional to 51,035.61, 70,425.90 and 28,372.80

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Solution

The fourth proportional to 51,035.61, 70,425.90 and 28,372.80 is: 39,152.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,035.61 : 70,425.90 = 28,372.80 : x
  2. Step 2: Convert to fraction form
    51,035.61/70,425.90 = 28,372.80/x
  3. Step 3: Cross multiply
    51,035.61x = 70,425.90 × 28,372.80
  4. Step 4: Simplify right side
    51,035.61x = 1,998,179,975.52
  5. Step 5: Solve for x
    x = 1,998,179,975.52/51,035.61
  6. Step 6: Final answer
    x = 39,152.66

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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.