Home / 40,151.39-55,408.89-23,155.39

Finding the Fourth Proportional to 40,151.39, 55,408.89 and 23,155.39

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Solution

The fourth proportional to 40,151.39, 55,408.89 and 23,155.39 is: 31,954.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,151.39 : 55,408.89 = 23,155.39 : x
  2. Step 2: Convert to fraction form
    40,151.39/55,408.89 = 23,155.39/x
  3. Step 3: Cross multiply
    40,151.39x = 55,408.89 × 23,155.39
  4. Step 4: Simplify right side
    40,151.39x = 1,283,014,457.42
  5. Step 5: Solve for x
    x = 1,283,014,457.42/40,151.39
  6. Step 6: Final answer
    x = 31,954.42

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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.