Home / 52,211.68-72,052.18-28,338.36

Finding the Fourth Proportional to 52,211.68, 72,052.18 and 28,338.36

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Solution

The fourth proportional to 52,211.68, 72,052.18 and 28,338.36 is: 39,106.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,211.68 : 72,052.18 = 28,338.36 : x
  2. Step 2: Convert to fraction form
    52,211.68/72,052.18 = 28,338.36/x
  3. Step 3: Cross multiply
    52,211.68x = 72,052.18 × 28,338.36
  4. Step 4: Simplify right side
    52,211.68x = 2,041,840,113.67
  5. Step 5: Solve for x
    x = 2,041,840,113.67/52,211.68
  6. Step 6: Final answer
    x = 39,106.96

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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.