Home / 30,022.53-45,018.41-17,545.29

Finding the Fourth Proportional to 30,022.53, 45,018.41 and 17,545.29

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Solution

The fourth proportional to 30,022.53, 45,018.41 and 17,545.29 is: 26,308.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,022.53 : 45,018.41 = 17,545.29 : x
  2. Step 2: Convert to fraction form
    30,022.53/45,018.41 = 17,545.29/x
  3. Step 3: Cross multiply
    30,022.53x = 45,018.41 × 17,545.29
  4. Step 4: Simplify right side
    30,022.53x = 789,860,971.06
  5. Step 5: Solve for x
    x = 789,860,971.06/30,022.53
  6. Step 6: Final answer
    x = 26,308.94

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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.