Home / 39,897.30-55,056.60-25,536.90

Finding the Fourth Proportional to 39,897.30, 55,056.60 and 25,536.90

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Solution

The fourth proportional to 39,897.30, 55,056.60 and 25,536.90 is: 35,239.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,897.30 : 55,056.60 = 25,536.90 : x
  2. Step 2: Convert to fraction form
    39,897.30/55,056.60 = 25,536.90/x
  3. Step 3: Cross multiply
    39,897.30x = 55,056.60 × 25,536.90
  4. Step 4: Simplify right side
    39,897.30x = 1,405,974,888.54
  5. Step 5: Solve for x
    x = 1,405,974,888.54/39,897.30
  6. Step 6: Final answer
    x = 35,239.85

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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.