Home / 43,022.11-64,542.27-13,442.17

Finding the Fourth Proportional to 43,022.11, 64,542.27 and 13,442.17

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Solution

The fourth proportional to 43,022.11, 64,542.27 and 13,442.17 is: 20,166.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,022.11 : 64,542.27 = 13,442.17 : x
  2. Step 2: Convert to fraction form
    43,022.11/64,542.27 = 13,442.17/x
  3. Step 3: Cross multiply
    43,022.11x = 64,542.27 × 13,442.17
  4. Step 4: Simplify right side
    43,022.11x = 867,588,165.53
  5. Step 5: Solve for x
    x = 867,588,165.53/43,022.11
  6. Step 6: Final answer
    x = 20,166.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.