Home / 40,389.35-55,739.12-22,485.48

Finding the Fourth Proportional to 40,389.35, 55,739.12 and 22,485.48

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Solution

The fourth proportional to 40,389.35, 55,739.12 and 22,485.48 is: 31,030.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,389.35 : 55,739.12 = 22,485.48 : x
  2. Step 2: Convert to fraction form
    40,389.35/55,739.12 = 22,485.48/x
  3. Step 3: Cross multiply
    40,389.35x = 55,739.12 × 22,485.48
  4. Step 4: Simplify right side
    40,389.35x = 1,253,320,755.55
  5. Step 5: Solve for x
    x = 1,253,320,755.55/40,389.35
  6. Step 6: Final answer
    x = 31,030.98

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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.