Home / 40,155.84-55,412.76-22,249.80

Finding the Fourth Proportional to 40,155.84, 55,412.76 and 22,249.80

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Solution

The fourth proportional to 40,155.84, 55,412.76 and 22,249.80 is: 30,703.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,155.84 : 55,412.76 = 22,249.80 : x
  2. Step 2: Convert to fraction form
    40,155.84/55,412.76 = 22,249.80/x
  3. Step 3: Cross multiply
    40,155.84x = 55,412.76 × 22,249.80
  4. Step 4: Simplify right side
    40,155.84x = 1,232,922,827.45
  5. Step 5: Solve for x
    x = 1,232,922,827.45/40,155.84
  6. Step 6: Final answer
    x = 30,703.45

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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.