Home / 39,955.76-55,142.32-22,052.48

Finding the Fourth Proportional to 39,955.76, 55,142.32 and 22,052.48

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Solution

The fourth proportional to 39,955.76, 55,142.32 and 22,052.48 is: 30,434.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,955.76 : 55,142.32 = 22,052.48 : x
  2. Step 2: Convert to fraction form
    39,955.76/55,142.32 = 22,052.48/x
  3. Step 3: Cross multiply
    39,955.76x = 55,142.32 × 22,052.48
  4. Step 4: Simplify right side
    39,955.76x = 1,216,024,908.95
  5. Step 5: Solve for x
    x = 1,216,024,908.95/39,955.76
  6. Step 6: Final answer
    x = 30,434.28

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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.