Home / 42,129.78-58,138.29-23,266.50

Finding the Fourth Proportional to 42,129.78, 58,138.29 and 23,266.50

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Solution

The fourth proportional to 42,129.78, 58,138.29 and 23,266.50 is: 32,107.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,129.78 : 58,138.29 = 23,266.50 : x
  2. Step 2: Convert to fraction form
    42,129.78/58,138.29 = 23,266.50/x
  3. Step 3: Cross multiply
    42,129.78x = 58,138.29 × 23,266.50
  4. Step 4: Simplify right side
    42,129.78x = 1,352,674,524.29
  5. Step 5: Solve for x
    x = 1,352,674,524.29/42,129.78
  6. Step 6: Final answer
    x = 32,107.32

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.