Home / 30,441.48-45,671.40-11,723.28

Finding the Fourth Proportional to 30,441.48, 45,671.40 and 11,723.28

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Solution

The fourth proportional to 30,441.48, 45,671.40 and 11,723.28 is: 17,588.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,441.48 : 45,671.40 = 11,723.28 : x
  2. Step 2: Convert to fraction form
    30,441.48/45,671.40 = 11,723.28/x
  3. Step 3: Cross multiply
    30,441.48x = 45,671.40 × 11,723.28
  4. Step 4: Simplify right side
    30,441.48x = 535,418,610.19
  5. Step 5: Solve for x
    x = 535,418,610.19/30,441.48
  6. Step 6: Final answer
    x = 17,588.46

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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.