Home / 40,054.40-55,274.48-22,149.02

Finding the Fourth Proportional to 40,054.40, 55,274.48 and 22,149.02

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Solution

The fourth proportional to 40,054.40, 55,274.48 and 22,149.02 is: 30,565.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,054.40 : 55,274.48 = 22,149.02 : x
  2. Step 2: Convert to fraction form
    40,054.40/55,274.48 = 22,149.02/x
  3. Step 3: Cross multiply
    40,054.40x = 55,274.48 × 22,149.02
  4. Step 4: Simplify right side
    40,054.40x = 1,224,275,563.01
  5. Step 5: Solve for x
    x = 1,224,275,563.01/40,054.40
  6. Step 6: Final answer
    x = 30,565.32

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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.