Home / 37,805.52-52,169.40-21,888.84

Finding the Fourth Proportional to 37,805.52, 52,169.40 and 21,888.84

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Solution

The fourth proportional to 37,805.52, 52,169.40 and 21,888.84 is: 30,205.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,805.52 : 52,169.40 = 21,888.84 : x
  2. Step 2: Convert to fraction form
    37,805.52/52,169.40 = 21,888.84/x
  3. Step 3: Cross multiply
    37,805.52x = 52,169.40 × 21,888.84
  4. Step 4: Simplify right side
    37,805.52x = 1,141,927,649.50
  5. Step 5: Solve for x
    x = 1,141,927,649.50/37,805.52
  6. Step 6: Final answer
    x = 30,205.32

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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.