Home / 61,291.60-91,935.57-16,921.06

Finding the Fourth Proportional to 61,291.60, 91,935.57 and 16,921.06

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Solution

The fourth proportional to 61,291.60, 91,935.57 and 16,921.06 is: 25,381.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,291.60 : 91,935.57 = 16,921.06 : x
  2. Step 2: Convert to fraction form
    61,291.60/91,935.57 = 16,921.06/x
  3. Step 3: Cross multiply
    61,291.60x = 91,935.57 × 16,921.06
  4. Step 4: Simplify right side
    61,291.60x = 1,555,647,296.10
  5. Step 5: Solve for x
    x = 1,555,647,296.10/61,291.60
  6. Step 6: Final answer
    x = 25,381.08

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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.