Home / 54,863.10-75,715.74-30,994.16

Finding the Fourth Proportional to 54,863.10, 75,715.74 and 30,994.16

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Solution

The fourth proportional to 54,863.10, 75,715.74 and 30,994.16 is: 42,774.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,863.10 : 75,715.74 = 30,994.16 : x
  2. Step 2: Convert to fraction form
    54,863.10/75,715.74 = 30,994.16/x
  3. Step 3: Cross multiply
    54,863.10x = 75,715.74 × 30,994.16
  4. Step 4: Simplify right side
    54,863.10x = 2,346,745,381.50
  5. Step 5: Solve for x
    x = 2,346,745,381.50/54,863.10
  6. Step 6: Final answer
    x = 42,774.57

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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.