Home / 40,155.73-55,412.57-22,249.67

Finding the Fourth Proportional to 40,155.73, 55,412.57 and 22,249.67

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Solution

The fourth proportional to 40,155.73, 55,412.57 and 22,249.67 is: 30,703.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,155.73 : 55,412.57 = 22,249.67 : x
  2. Step 2: Convert to fraction form
    40,155.73/55,412.57 = 22,249.67/x
  3. Step 3: Cross multiply
    40,155.73x = 55,412.57 × 22,249.67
  4. Step 4: Simplify right side
    40,155.73x = 1,232,911,174.91
  5. Step 5: Solve for x
    x = 1,232,911,174.91/40,155.73
  6. Step 6: Final answer
    x = 30,703.25

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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.