Home / 38,150.64-52,646.94-21,154.95

Finding the Fourth Proportional to 38,150.64, 52,646.94 and 21,154.95

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Solution

The fourth proportional to 38,150.64, 52,646.94 and 21,154.95 is: 29,193.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,150.64 : 52,646.94 = 21,154.95 : x
  2. Step 2: Convert to fraction form
    38,150.64/52,646.94 = 21,154.95/x
  3. Step 3: Cross multiply
    38,150.64x = 52,646.94 × 21,154.95
  4. Step 4: Simplify right side
    38,150.64x = 1,113,743,383.35
  5. Step 5: Solve for x
    x = 1,113,743,383.35/38,150.64
  6. Step 6: Final answer
    x = 29,193.31

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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.