Home / 39,409.67-54,365.10-26,663.42

Finding the Fourth Proportional to 39,409.67, 54,365.10 and 26,663.42

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Solution

The fourth proportional to 39,409.67, 54,365.10 and 26,663.42 is: 36,781.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,409.67 : 54,365.10 = 26,663.42 : x
  2. Step 2: Convert to fraction form
    39,409.67/54,365.10 = 26,663.42/x
  3. Step 3: Cross multiply
    39,409.67x = 54,365.10 × 26,663.42
  4. Step 4: Simplify right side
    39,409.67x = 1,449,559,494.64
  5. Step 5: Solve for x
    x = 1,449,559,494.64/39,409.67
  6. Step 6: Final answer
    x = 36,781.82

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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.