Home / 40,148.49-55,400.42-22,239.05

Finding the Fourth Proportional to 40,148.49, 55,400.42 and 22,239.05

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Solution

The fourth proportional to 40,148.49, 55,400.42 and 22,239.05 is: 30,687.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,148.49 : 55,400.42 = 22,239.05 : x
  2. Step 2: Convert to fraction form
    40,148.49/55,400.42 = 22,239.05/x
  3. Step 3: Cross multiply
    40,148.49x = 55,400.42 × 22,239.05
  4. Step 4: Simplify right side
    40,148.49x = 1,232,052,710.40
  5. Step 5: Solve for x
    x = 1,232,052,710.40/40,148.49
  6. Step 6: Final answer
    x = 30,687.40

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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.