Home / 40,030.55-55,245.02-22,125.17

Finding the Fourth Proportional to 40,030.55, 55,245.02 and 22,125.17

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Solution

The fourth proportional to 40,030.55, 55,245.02 and 22,125.17 is: 30,534.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,030.55 : 55,245.02 = 22,125.17 : x
  2. Step 2: Convert to fraction form
    40,030.55/55,245.02 = 22,125.17/x
  3. Step 3: Cross multiply
    40,030.55x = 55,245.02 × 22,125.17
  4. Step 4: Simplify right side
    40,030.55x = 1,222,305,459.15
  5. Step 5: Solve for x
    x = 1,222,305,459.15/40,030.55
  6. Step 6: Final answer
    x = 30,534.32

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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.