Home / 45,534.21-67,945.16-40,806.03

Finding the Fourth Proportional to 45,534.21, 67,945.16 and 40,806.03

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Solution

The fourth proportional to 45,534.21, 67,945.16 and 40,806.03 is: 60,889.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,534.21 : 67,945.16 = 40,806.03 : x
  2. Step 2: Convert to fraction form
    45,534.21/67,945.16 = 40,806.03/x
  3. Step 3: Cross multiply
    45,534.21x = 67,945.16 × 40,806.03
  4. Step 4: Simplify right side
    45,534.21x = 2,772,572,364.59
  5. Step 5: Solve for x
    x = 2,772,572,364.59/45,534.21
  6. Step 6: Final answer
    x = 60,889.88

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.