Home / 38,383.01-52,967.75-21,387.18

Finding the Fourth Proportional to 38,383.01, 52,967.75 and 21,387.18

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Solution

The fourth proportional to 38,383.01, 52,967.75 and 21,387.18 is: 29,513.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,383.01 : 52,967.75 = 21,387.18 : x
  2. Step 2: Convert to fraction form
    38,383.01/52,967.75 = 21,387.18/x
  3. Step 3: Cross multiply
    38,383.01x = 52,967.75 × 21,387.18
  4. Step 4: Simplify right side
    38,383.01x = 1,132,830,803.45
  5. Step 5: Solve for x
    x = 1,132,830,803.45/38,383.01
  6. Step 6: Final answer
    x = 29,513.86

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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.