Home / 40,408.08-55,763.01-22,503.30

Finding the Fourth Proportional to 40,408.08, 55,763.01 and 22,503.30

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Solution

The fourth proportional to 40,408.08, 55,763.01 and 22,503.30 is: 31,054.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,408.08 : 55,763.01 = 22,503.30 : x
  2. Step 2: Convert to fraction form
    40,408.08/55,763.01 = 22,503.30/x
  3. Step 3: Cross multiply
    40,408.08x = 55,763.01 × 22,503.30
  4. Step 4: Simplify right side
    40,408.08x = 1,254,851,742.93
  5. Step 5: Solve for x
    x = 1,254,851,742.93/40,408.08
  6. Step 6: Final answer
    x = 31,054.48

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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.