Home / 40,518.21-55,909.60-22,610.94

Finding the Fourth Proportional to 40,518.21, 55,909.60 and 22,610.94

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Solution

The fourth proportional to 40,518.21, 55,909.60 and 22,610.94 is: 31,200.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,518.21 : 55,909.60 = 22,610.94 : x
  2. Step 2: Convert to fraction form
    40,518.21/55,909.60 = 22,610.94/x
  3. Step 3: Cross multiply
    40,518.21x = 55,909.60 × 22,610.94
  4. Step 4: Simplify right side
    40,518.21x = 1,264,168,611.02
  5. Step 5: Solve for x
    x = 1,264,168,611.02/40,518.21
  6. Step 6: Final answer
    x = 31,200.01

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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.