Home / 39,298.77-54,233.37-21,394.98

Finding the Fourth Proportional to 39,298.77, 54,233.37 and 21,394.98

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Solution

The fourth proportional to 39,298.77, 54,233.37 and 21,394.98 is: 29,525.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,298.77 : 54,233.37 = 21,394.98 : x
  2. Step 2: Convert to fraction form
    39,298.77/54,233.37 = 21,394.98/x
  3. Step 3: Cross multiply
    39,298.77x = 54,233.37 × 21,394.98
  4. Step 4: Simplify right side
    39,298.77x = 1,160,321,866.48
  5. Step 5: Solve for x
    x = 1,160,321,866.48/39,298.77
  6. Step 6: Final answer
    x = 29,525.65

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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.