Home / 38,283.32-52,824.56-21,287.08

Finding the Fourth Proportional to 38,283.32, 52,824.56 and 21,287.08

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Solution

The fourth proportional to 38,283.32, 52,824.56 and 21,287.08 is: 29,372.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,283.32 : 52,824.56 = 21,287.08 : x
  2. Step 2: Convert to fraction form
    38,283.32/52,824.56 = 21,287.08/x
  3. Step 3: Cross multiply
    38,283.32x = 52,824.56 × 21,287.08
  4. Step 4: Simplify right side
    38,283.32x = 1,124,480,634.68
  5. Step 5: Solve for x
    x = 1,124,480,634.68/38,283.32
  6. Step 6: Final answer
    x = 29,372.60

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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.