Home / 40,014.40-55,218.36-22,109.02

Finding the Fourth Proportional to 40,014.40, 55,218.36 and 22,109.02

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Solution

The fourth proportional to 40,014.40, 55,218.36 and 22,109.02 is: 30,509.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,014.40 : 55,218.36 = 22,109.02 : x
  2. Step 2: Convert to fraction form
    40,014.40/55,218.36 = 22,109.02/x
  3. Step 3: Cross multiply
    40,014.40x = 55,218.36 × 22,109.02
  4. Step 4: Simplify right side
    40,014.40x = 1,220,823,825.61
  5. Step 5: Solve for x
    x = 1,220,823,825.61/40,014.40
  6. Step 6: Final answer
    x = 30,509.61

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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.