Home / 51,994.02-71,751.57-28,120.68

Finding the Fourth Proportional to 51,994.02, 71,751.57 and 28,120.68

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Solution

The fourth proportional to 51,994.02, 71,751.57 and 28,120.68 is: 38,806.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,994.02 : 71,751.57 = 28,120.68 : x
  2. Step 2: Convert to fraction form
    51,994.02/71,751.57 = 28,120.68/x
  3. Step 3: Cross multiply
    51,994.02x = 71,751.57 × 28,120.68
  4. Step 4: Simplify right side
    51,994.02x = 2,017,702,939.47
  5. Step 5: Solve for x
    x = 2,017,702,939.47/51,994.02
  6. Step 6: Final answer
    x = 38,806.44

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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.