Home / 42,143.94-58,160.97-23,280.66

Finding the Fourth Proportional to 42,143.94, 58,160.97 and 23,280.66

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Solution

The fourth proportional to 42,143.94, 58,160.97 and 23,280.66 is: 32,128.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,143.94 : 58,160.97 = 23,280.66 : x
  2. Step 2: Convert to fraction form
    42,143.94/58,160.97 = 23,280.66/x
  3. Step 3: Cross multiply
    42,143.94x = 58,160.97 × 23,280.66
  4. Step 4: Simplify right side
    42,143.94x = 1,354,025,767.84
  5. Step 5: Solve for x
    x = 1,354,025,767.84/42,143.94
  6. Step 6: Final answer
    x = 32,128.60

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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.