Home / 45,625.11-68,445-19,330.08

Finding the Fourth Proportional to 45,625.11, 68,445 and 19,330.08

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Solution

The fourth proportional to 45,625.11, 68,445 and 19,330.08 is: 28,998.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,625.11 : 68,445 = 19,330.08 : x
  2. Step 2: Convert to fraction form
    45,625.11/68,445 = 19,330.08/x
  3. Step 3: Cross multiply
    45,625.11x = 68,445 × 19,330.08
  4. Step 4: Simplify right side
    45,625.11x = 1,323,047,325.60
  5. Step 5: Solve for x
    x = 1,323,047,325.60/45,625.11
  6. Step 6: Final answer
    x = 28,998.23

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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.