Home / 51,000.27-70,378.98-28,338.68

Finding the Fourth Proportional to 51,000.27, 70,378.98 and 28,338.68

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Solution

The fourth proportional to 51,000.27, 70,378.98 and 28,338.68 is: 39,106.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,000.27 : 70,378.98 = 28,338.68 : x
  2. Step 2: Convert to fraction form
    51,000.27/70,378.98 = 28,338.68/x
  3. Step 3: Cross multiply
    51,000.27x = 70,378.98 × 28,338.68
  4. Step 4: Simplify right side
    51,000.27x = 1,994,447,462.62
  5. Step 5: Solve for x
    x = 1,994,447,462.62/51,000.27
  6. Step 6: Final answer
    x = 39,106.60

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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.