Home / 39,647.74-59,471.63-11,945.74

Finding the Fourth Proportional to 39,647.74, 59,471.63 and 11,945.74

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Solution

The fourth proportional to 39,647.74, 59,471.63 and 11,945.74 is: 17,918.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,647.74 : 59,471.63 = 11,945.74 : x
  2. Step 2: Convert to fraction form
    39,647.74/59,471.63 = 11,945.74/x
  3. Step 3: Cross multiply
    39,647.74x = 59,471.63 × 11,945.74
  4. Step 4: Simplify right side
    39,647.74x = 710,432,272.27
  5. Step 5: Solve for x
    x = 710,432,272.27/39,647.74
  6. Step 6: Final answer
    x = 17,918.61

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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.