Home / 39,556.27-54,587.45-21,406.98

Finding the Fourth Proportional to 39,556.27, 54,587.45 and 21,406.98

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Solution

The fourth proportional to 39,556.27, 54,587.45 and 21,406.98 is: 29,541.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,556.27 : 54,587.45 = 21,406.98 : x
  2. Step 2: Convert to fraction form
    39,556.27/54,587.45 = 21,406.98/x
  3. Step 3: Cross multiply
    39,556.27x = 54,587.45 × 21,406.98
  4. Step 4: Simplify right side
    39,556.27x = 1,168,552,450.40
  5. Step 5: Solve for x
    x = 1,168,552,450.40/39,556.27
  6. Step 6: Final answer
    x = 29,541.52

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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.