Home / 39,353.31-54,305.98-21,447.93

Finding the Fourth Proportional to 39,353.31, 54,305.98 and 21,447.93

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Solution

The fourth proportional to 39,353.31, 54,305.98 and 21,447.93 is: 29,597.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,353.31 : 54,305.98 = 21,447.93 : x
  2. Step 2: Convert to fraction form
    39,353.31/54,305.98 = 21,447.93/x
  3. Step 3: Cross multiply
    39,353.31x = 54,305.98 × 21,447.93
  4. Step 4: Simplify right side
    39,353.31x = 1,164,750,804.00
  5. Step 5: Solve for x
    x = 1,164,750,804.00/39,353.31
  6. Step 6: Final answer
    x = 29,597.28

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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.