Home / 39,607.58-54,657.96-21,701.54

Finding the Fourth Proportional to 39,607.58, 54,657.96 and 21,701.54

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Solution

The fourth proportional to 39,607.58, 54,657.96 and 21,701.54 is: 29,947.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,607.58 : 54,657.96 = 21,701.54 : x
  2. Step 2: Convert to fraction form
    39,607.58/54,657.96 = 21,701.54/x
  3. Step 3: Cross multiply
    39,607.58x = 54,657.96 × 21,701.54
  4. Step 4: Simplify right side
    39,607.58x = 1,186,161,905.26
  5. Step 5: Solve for x
    x = 1,186,161,905.26/39,607.58
  6. Step 6: Final answer
    x = 29,947.85

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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.