Home / 54,435.91-75,117.45-30,558.01

Finding the Fourth Proportional to 54,435.91, 75,117.45 and 30,558.01

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Solution

The fourth proportional to 54,435.91, 75,117.45 and 30,558.01 is: 42,167.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,435.91 : 75,117.45 = 30,558.01 : x
  2. Step 2: Convert to fraction form
    54,435.91/75,117.45 = 30,558.01/x
  3. Step 3: Cross multiply
    54,435.91x = 75,117.45 × 30,558.01
  4. Step 4: Simplify right side
    54,435.91x = 2,295,439,788.27
  5. Step 5: Solve for x
    x = 2,295,439,788.27/54,435.91
  6. Step 6: Final answer
    x = 42,167.75

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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.