Home / 51,336.19-70,843.19-28,675.52

Finding the Fourth Proportional to 51,336.19, 70,843.19 and 28,675.52

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Solution

The fourth proportional to 51,336.19, 70,843.19 and 28,675.52 is: 39,571.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,336.19 : 70,843.19 = 28,675.52 : x
  2. Step 2: Convert to fraction form
    51,336.19/70,843.19 = 28,675.52/x
  3. Step 3: Cross multiply
    51,336.19x = 70,843.19 × 28,675.52
  4. Step 4: Simplify right side
    51,336.19x = 2,031,465,311.71
  5. Step 5: Solve for x
    x = 2,031,465,311.71/51,336.19
  6. Step 6: Final answer
    x = 39,571.80

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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.