Home / 50,330.34-69,436.20-28,808.58

Finding the Fourth Proportional to 50,330.34, 69,436.20 and 28,808.58

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Solution

The fourth proportional to 50,330.34, 69,436.20 and 28,808.58 is: 39,744.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,330.34 : 69,436.20 = 28,808.58 : x
  2. Step 2: Convert to fraction form
    50,330.34/69,436.20 = 28,808.58/x
  3. Step 3: Cross multiply
    50,330.34x = 69,436.20 × 28,808.58
  4. Step 4: Simplify right side
    50,330.34x = 2,000,358,322.60
  5. Step 5: Solve for x
    x = 2,000,358,322.60/50,330.34
  6. Step 6: Final answer
    x = 39,744.58

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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.