Home / 51,000.25-70,384.67-28,648.57

Finding the Fourth Proportional to 51,000.25, 70,384.67 and 28,648.57

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Solution

The fourth proportional to 51,000.25, 70,384.67 and 28,648.57 is: 39,537.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,000.25 : 70,384.67 = 28,648.57 : x
  2. Step 2: Convert to fraction form
    51,000.25/70,384.67 = 28,648.57/x
  3. Step 3: Cross multiply
    51,000.25x = 70,384.67 × 28,648.57
  4. Step 4: Simplify right side
    51,000.25x = 2,016,420,145.42
  5. Step 5: Solve for x
    x = 2,016,420,145.42/51,000.25
  6. Step 6: Final answer
    x = 39,537.46

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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.