Home / 54,018.23-74,545.16-30,145.05

Finding the Fourth Proportional to 54,018.23, 74,545.16 and 30,145.05

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Solution

The fourth proportional to 54,018.23, 74,545.16 and 30,145.05 is: 41,600.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,018.23 : 74,545.16 = 30,145.05 : x
  2. Step 2: Convert to fraction form
    54,018.23/74,545.16 = 30,145.05/x
  3. Step 3: Cross multiply
    54,018.23x = 74,545.16 × 30,145.05
  4. Step 4: Simplify right side
    54,018.23x = 2,247,167,424.73
  5. Step 5: Solve for x
    x = 2,247,167,424.73/54,018.23
  6. Step 6: Final answer
    x = 41,600.17

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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.