Home / 39,064.74-53,909.85-21,836.36

Finding the Fourth Proportional to 39,064.74, 53,909.85 and 21,836.36

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Solution

The fourth proportional to 39,064.74, 53,909.85 and 21,836.36 is: 30,134.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,064.74 : 53,909.85 = 21,836.36 : x
  2. Step 2: Convert to fraction form
    39,064.74/53,909.85 = 21,836.36/x
  3. Step 3: Cross multiply
    39,064.74x = 53,909.85 × 21,836.36
  4. Step 4: Simplify right side
    39,064.74x = 1,177,194,622.60
  5. Step 5: Solve for x
    x = 1,177,194,622.60/39,064.74
  6. Step 6: Final answer
    x = 30,134.45

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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.