Home / 39,966.20-55,153.37-22,061.22

Finding the Fourth Proportional to 39,966.20, 55,153.37 and 22,061.22

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Solution

The fourth proportional to 39,966.20, 55,153.37 and 22,061.22 is: 30,444.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,966.20 : 55,153.37 = 22,061.22 : x
  2. Step 2: Convert to fraction form
    39,966.20/55,153.37 = 22,061.22/x
  3. Step 3: Cross multiply
    39,966.20x = 55,153.37 × 22,061.22
  4. Step 4: Simplify right side
    39,966.20x = 1,216,750,243.24
  5. Step 5: Solve for x
    x = 1,216,750,243.24/39,966.20
  6. Step 6: Final answer
    x = 30,444.48

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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.