Home / 38,383.16-52,967.93-21,387.33

Finding the Fourth Proportional to 38,383.16, 52,967.93 and 21,387.33

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Solution

The fourth proportional to 38,383.16, 52,967.93 and 21,387.33 is: 29,514.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,383.16 : 52,967.93 = 21,387.33 : x
  2. Step 2: Convert to fraction form
    38,383.16/52,967.93 = 21,387.33/x
  3. Step 3: Cross multiply
    38,383.16x = 52,967.93 × 21,387.33
  4. Step 4: Simplify right side
    38,383.16x = 1,132,842,491.39
  5. Step 5: Solve for x
    x = 1,132,842,491.39/38,383.16
  6. Step 6: Final answer
    x = 29,514.05

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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.