Home / 22,719.48-33,909.06-21,224.79

Finding the Fourth Proportional to 22,719.48, 33,909.06 and 21,224.79

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Solution

The fourth proportional to 22,719.48, 33,909.06 and 21,224.79 is: 31,678.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,719.48 : 33,909.06 = 21,224.79 : x
  2. Step 2: Convert to fraction form
    22,719.48/33,909.06 = 21,224.79/x
  3. Step 3: Cross multiply
    22,719.48x = 33,909.06 × 21,224.79
  4. Step 4: Simplify right side
    22,719.48x = 719,712,677.60
  5. Step 5: Solve for x
    x = 719,712,677.60/22,719.48
  6. Step 6: Final answer
    x = 31,678.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.