Home / 42,146.78-58,163.73-23,285.12

Finding the Fourth Proportional to 42,146.78, 58,163.73 and 23,285.12

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Solution

The fourth proportional to 42,146.78, 58,163.73 and 23,285.12 is: 32,134.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,146.78 : 58,163.73 = 23,285.12 : x
  2. Step 2: Convert to fraction form
    42,146.78/58,163.73 = 23,285.12/x
  3. Step 3: Cross multiply
    42,146.78x = 58,163.73 × 23,285.12
  4. Step 4: Simplify right side
    42,146.78x = 1,354,349,432.70
  5. Step 5: Solve for x
    x = 1,354,349,432.70/42,146.78
  6. Step 6: Final answer
    x = 32,134.11

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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.