Home / 33,242.64-45,860.76-21,302.16

Finding the Fourth Proportional to 33,242.64, 45,860.76 and 21,302.16

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Solution

The fourth proportional to 33,242.64, 45,860.76 and 21,302.16 is: 29,387.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,242.64 : 45,860.76 = 21,302.16 : x
  2. Step 2: Convert to fraction form
    33,242.64/45,860.76 = 21,302.16/x
  3. Step 3: Cross multiply
    33,242.64x = 45,860.76 × 21,302.16
  4. Step 4: Simplify right side
    33,242.64x = 976,933,247.24
  5. Step 5: Solve for x
    x = 976,933,247.24/33,242.64
  6. Step 6: Final answer
    x = 29,387.96

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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.