Home / 40,220.10-55,509.48-23,220.95

Finding the Fourth Proportional to 40,220.10, 55,509.48 and 23,220.95

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Solution

The fourth proportional to 40,220.10, 55,509.48 and 23,220.95 is: 32,048.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,220.10 : 55,509.48 = 23,220.95 : x
  2. Step 2: Convert to fraction form
    40,220.10/55,509.48 = 23,220.95/x
  3. Step 3: Cross multiply
    40,220.10x = 55,509.48 × 23,220.95
  4. Step 4: Simplify right side
    40,220.10x = 1,288,982,859.61
  5. Step 5: Solve for x
    x = 1,288,982,859.61/40,220.10
  6. Step 6: Final answer
    x = 32,048.23

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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.