Home / 60,739.11-91,090.85-21,288.87

Finding the Fourth Proportional to 60,739.11, 91,090.85 and 21,288.87

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Solution

The fourth proportional to 60,739.11, 91,090.85 and 21,288.87 is: 31,927.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,739.11 : 91,090.85 = 21,288.87 : x
  2. Step 2: Convert to fraction form
    60,739.11/91,090.85 = 21,288.87/x
  3. Step 3: Cross multiply
    60,739.11x = 91,090.85 × 21,288.87
  4. Step 4: Simplify right side
    60,739.11x = 1,939,221,157.40
  5. Step 5: Solve for x
    x = 1,939,221,157.40/60,739.11
  6. Step 6: Final answer
    x = 31,927.06

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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.