Home / 54,622.01-75,379.80-30,749.55

Finding the Fourth Proportional to 54,622.01, 75,379.80 and 30,749.55

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Solution

The fourth proportional to 54,622.01, 75,379.80 and 30,749.55 is: 42,435.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,622.01 : 75,379.80 = 30,749.55 : x
  2. Step 2: Convert to fraction form
    54,622.01/75,379.80 = 30,749.55/x
  3. Step 3: Cross multiply
    54,622.01x = 75,379.80 × 30,749.55
  4. Step 4: Simplify right side
    54,622.01x = 2,317,894,929.09
  5. Step 5: Solve for x
    x = 2,317,894,929.09/54,622.01
  6. Step 6: Final answer
    x = 42,435.19

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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.