Home / 51,994.04-71,751.89-28,120.94

Finding the Fourth Proportional to 51,994.04, 71,751.89 and 28,120.94

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Solution

The fourth proportional to 51,994.04, 71,751.89 and 28,120.94 is: 38,806.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,994.04 : 71,751.89 = 28,120.94 : x
  2. Step 2: Convert to fraction form
    51,994.04/71,751.89 = 28,120.94/x
  3. Step 3: Cross multiply
    51,994.04x = 71,751.89 × 28,120.94
  4. Step 4: Simplify right side
    51,994.04x = 2,017,730,574.19
  5. Step 5: Solve for x
    x = 2,017,730,574.19/51,994.04
  6. Step 6: Final answer
    x = 38,806.96

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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.