Home / 40,029.76-55,240.53-22,125.08

Finding the Fourth Proportional to 40,029.76, 55,240.53 and 22,125.08

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Solution

The fourth proportional to 40,029.76, 55,240.53 and 22,125.08 is: 30,532.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,029.76 : 55,240.53 = 22,125.08 : x
  2. Step 2: Convert to fraction form
    40,029.76/55,240.53 = 22,125.08/x
  3. Step 3: Cross multiply
    40,029.76x = 55,240.53 × 22,125.08
  4. Step 4: Simplify right side
    40,029.76x = 1,222,201,145.49
  5. Step 5: Solve for x
    x = 1,222,201,145.49/40,029.76
  6. Step 6: Final answer
    x = 30,532.31

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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.