Home / 39,125.06-58,678.01-21,336.54

Finding the Fourth Proportional to 39,125.06, 58,678.01 and 21,336.54

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Solution

The fourth proportional to 39,125.06, 58,678.01 and 21,336.54 is: 31,999.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,125.06 : 58,678.01 = 21,336.54 : x
  2. Step 2: Convert to fraction form
    39,125.06/58,678.01 = 21,336.54/x
  3. Step 3: Cross multiply
    39,125.06x = 58,678.01 × 21,336.54
  4. Step 4: Simplify right side
    39,125.06x = 1,251,985,600.80
  5. Step 5: Solve for x
    x = 1,251,985,600.80/39,125.06
  6. Step 6: Final answer
    x = 31,999.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.