Home / 43,935.08-65,909.06-13,939.31

Finding the Fourth Proportional to 43,935.08, 65,909.06 and 13,939.31

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Solution

The fourth proportional to 43,935.08, 65,909.06 and 13,939.31 is: 20,911.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,935.08 : 65,909.06 = 13,939.31 : x
  2. Step 2: Convert to fraction form
    43,935.08/65,909.06 = 13,939.31/x
  3. Step 3: Cross multiply
    43,935.08x = 65,909.06 × 13,939.31
  4. Step 4: Simplify right side
    43,935.08x = 918,726,419.91
  5. Step 5: Solve for x
    x = 918,726,419.91/43,935.08
  6. Step 6: Final answer
    x = 20,911.00

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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.