Home / 42,157.42-58,151.77-27,812.14

Finding the Fourth Proportional to 42,157.42, 58,151.77 and 27,812.14

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Solution

The fourth proportional to 42,157.42, 58,151.77 and 27,812.14 is: 38,363.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,157.42 : 58,151.77 = 27,812.14 : x
  2. Step 2: Convert to fraction form
    42,157.42/58,151.77 = 27,812.14/x
  3. Step 3: Cross multiply
    42,157.42x = 58,151.77 × 27,812.14
  4. Step 4: Simplify right side
    42,157.42x = 1,617,324,953.58
  5. Step 5: Solve for x
    x = 1,617,324,953.58/42,157.42
  6. Step 6: Final answer
    x = 38,363.95

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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.