Home / 39,883.06-55,038.38-21,733.74

Finding the Fourth Proportional to 39,883.06, 55,038.38 and 21,733.74

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Solution

The fourth proportional to 39,883.06, 55,038.38 and 21,733.74 is: 29,992.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,883.06 : 55,038.38 = 21,733.74 : x
  2. Step 2: Convert to fraction form
    39,883.06/55,038.38 = 21,733.74/x
  3. Step 3: Cross multiply
    39,883.06x = 55,038.38 × 21,733.74
  4. Step 4: Simplify right side
    39,883.06x = 1,196,189,813.77
  5. Step 5: Solve for x
    x = 1,196,189,813.77/39,883.06
  6. Step 6: Final answer
    x = 29,992.43

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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.