Home / 45,603.34-68,405.24-20,614.13

Finding the Fourth Proportional to 45,603.34, 68,405.24 and 20,614.13

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Solution

The fourth proportional to 45,603.34, 68,405.24 and 20,614.13 is: 30,921.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,603.34 : 68,405.24 = 20,614.13 : x
  2. Step 2: Convert to fraction form
    45,603.34/68,405.24 = 20,614.13/x
  3. Step 3: Cross multiply
    45,603.34x = 68,405.24 × 20,614.13
  4. Step 4: Simplify right side
    45,603.34x = 1,410,114,360.12
  5. Step 5: Solve for x
    x = 1,410,114,360.12/45,603.34
  6. Step 6: Final answer
    x = 30,921.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.