Home / 33,158.52-45,743.28-19,722.24

Finding the Fourth Proportional to 33,158.52, 45,743.28 and 19,722.24

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Solution

The fourth proportional to 33,158.52, 45,743.28 and 19,722.24 is: 27,207.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,158.52 : 45,743.28 = 19,722.24 : x
  2. Step 2: Convert to fraction form
    33,158.52/45,743.28 = 19,722.24/x
  3. Step 3: Cross multiply
    33,158.52x = 45,743.28 × 19,722.24
  4. Step 4: Simplify right side
    33,158.52x = 902,159,946.55
  5. Step 5: Solve for x
    x = 902,159,946.55/33,158.52
  6. Step 6: Final answer
    x = 27,207.49

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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.