Home / 31,459.48-43,415.11-18,033.27

Finding the Fourth Proportional to 31,459.48, 43,415.11 and 18,033.27

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Solution

The fourth proportional to 31,459.48, 43,415.11 and 18,033.27 is: 24,886.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,459.48 : 43,415.11 = 18,033.27 : x
  2. Step 2: Convert to fraction form
    31,459.48/43,415.11 = 18,033.27/x
  3. Step 3: Cross multiply
    31,459.48x = 43,415.11 × 18,033.27
  4. Step 4: Simplify right side
    31,459.48x = 782,916,677.48
  5. Step 5: Solve for x
    x = 782,916,677.48/31,459.48
  6. Step 6: Final answer
    x = 24,886.51

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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.