Home / 51,994.17-71,751.99-28,120.81

Finding the Fourth Proportional to 51,994.17, 71,751.99 and 28,120.81

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Solution

The fourth proportional to 51,994.17, 71,751.99 and 28,120.81 is: 38,806.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,994.17 : 71,751.99 = 28,120.81 : x
  2. Step 2: Convert to fraction form
    51,994.17/71,751.99 = 28,120.81/x
  3. Step 3: Cross multiply
    51,994.17x = 71,751.99 × 28,120.81
  4. Step 4: Simplify right side
    51,994.17x = 2,017,724,077.91
  5. Step 5: Solve for x
    x = 2,017,724,077.91/51,994.17
  6. Step 6: Final answer
    x = 38,806.74

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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.