Home / 54,738.53-75,545.89-30,864.72

Finding the Fourth Proportional to 54,738.53, 75,545.89 and 30,864.72

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Solution

The fourth proportional to 54,738.53, 75,545.89 and 30,864.72 is: 42,597.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,738.53 : 75,545.89 = 30,864.72 : x
  2. Step 2: Convert to fraction form
    54,738.53/75,545.89 = 30,864.72/x
  3. Step 3: Cross multiply
    54,738.53x = 75,545.89 × 30,864.72
  4. Step 4: Simplify right side
    54,738.53x = 2,331,702,664.84
  5. Step 5: Solve for x
    x = 2,331,702,664.84/54,738.53
  6. Step 6: Final answer
    x = 42,597.10

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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.