Home / 40,390.35-55,741.01-22,485.30

Finding the Fourth Proportional to 40,390.35, 55,741.01 and 22,485.30

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Solution

The fourth proportional to 40,390.35, 55,741.01 and 22,485.30 is: 31,031.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,390.35 : 55,741.01 = 22,485.30 : x
  2. Step 2: Convert to fraction form
    40,390.35/55,741.01 = 22,485.30/x
  3. Step 3: Cross multiply
    40,390.35x = 55,741.01 × 22,485.30
  4. Step 4: Simplify right side
    40,390.35x = 1,253,353,137.18
  5. Step 5: Solve for x
    x = 1,253,353,137.18/40,390.35
  6. Step 6: Final answer
    x = 31,031.01

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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.