Home / 39,462.93-54,458.87-21,558.15

Finding the Fourth Proportional to 39,462.93, 54,458.87 and 21,558.15

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Solution

The fourth proportional to 39,462.93, 54,458.87 and 21,558.15 is: 29,750.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,462.93 : 54,458.87 = 21,558.15 : x
  2. Step 2: Convert to fraction form
    39,462.93/54,458.87 = 21,558.15/x
  3. Step 3: Cross multiply
    39,462.93x = 54,458.87 × 21,558.15
  4. Step 4: Simplify right side
    39,462.93x = 1,174,032,488.29
  5. Step 5: Solve for x
    x = 1,174,032,488.29/39,462.93
  6. Step 6: Final answer
    x = 29,750.26

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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.