Home / 54,581.34-75,322.08-30,708

Finding the Fourth Proportional to 54,581.34, 75,322.08 and 30,708

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Solution

The fourth proportional to 54,581.34, 75,322.08 and 30,708 is: 42,376.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,581.34 : 75,322.08 = 30,708 : x
  2. Step 2: Convert to fraction form
    54,581.34/75,322.08 = 30,708/x
  3. Step 3: Cross multiply
    54,581.34x = 75,322.08 × 30,708
  4. Step 4: Simplify right side
    54,581.34x = 2,312,990,432.64
  5. Step 5: Solve for x
    x = 2,312,990,432.64/54,581.34
  6. Step 6: Final answer
    x = 42,376.94

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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.