Home / 42,534.42-58,717.62-28,396.68

Finding the Fourth Proportional to 42,534.42, 58,717.62 and 28,396.68

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Solution

The fourth proportional to 42,534.42, 58,717.62 and 28,396.68 is: 39,200.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,534.42 : 58,717.62 = 28,396.68 : x
  2. Step 2: Convert to fraction form
    42,534.42/58,717.62 = 28,396.68/x
  3. Step 3: Cross multiply
    42,534.42x = 58,717.62 × 28,396.68
  4. Step 4: Simplify right side
    42,534.42x = 1,667,385,465.50
  5. Step 5: Solve for x
    x = 1,667,385,465.50/42,534.42
  6. Step 6: Final answer
    x = 39,200.85

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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.