Home / 38,050.90-52,514.12-21,918.74

Finding the Fourth Proportional to 38,050.90, 52,514.12 and 21,918.74

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Solution

The fourth proportional to 38,050.90, 52,514.12 and 21,918.74 is: 30,250.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,050.90 : 52,514.12 = 21,918.74 : x
  2. Step 2: Convert to fraction form
    38,050.90/52,514.12 = 21,918.74/x
  3. Step 3: Cross multiply
    38,050.90x = 52,514.12 × 21,918.74
  4. Step 4: Simplify right side
    38,050.90x = 1,151,043,134.84
  5. Step 5: Solve for x
    x = 1,151,043,134.84/38,050.90
  6. Step 6: Final answer
    x = 30,250.09

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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.