Home / 52,390.32-72,299.07-28,516.92

Finding the Fourth Proportional to 52,390.32, 72,299.07 and 28,516.92

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Solution

The fourth proportional to 52,390.32, 72,299.07 and 28,516.92 is: 39,353.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,390.32 : 72,299.07 = 28,516.92 : x
  2. Step 2: Convert to fraction form
    52,390.32/72,299.07 = 28,516.92/x
  3. Step 3: Cross multiply
    52,390.32x = 72,299.07 × 28,516.92
  4. Step 4: Simplify right side
    52,390.32x = 2,061,746,795.26
  5. Step 5: Solve for x
    x = 2,061,746,795.26/52,390.32
  6. Step 6: Final answer
    x = 39,353.58

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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.