Home / 37,805.84-52,171.65-20,809.72

Finding the Fourth Proportional to 37,805.84, 52,171.65 and 20,809.72

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Solution

The fourth proportional to 37,805.84, 52,171.65 and 20,809.72 is: 28,717.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,805.84 : 52,171.65 = 20,809.72 : x
  2. Step 2: Convert to fraction form
    37,805.84/52,171.65 = 20,809.72/x
  3. Step 3: Cross multiply
    37,805.84x = 52,171.65 × 20,809.72
  4. Step 4: Simplify right side
    37,805.84x = 1,085,677,428.44
  5. Step 5: Solve for x
    x = 1,085,677,428.44/37,805.84
  6. Step 6: Final answer
    x = 28,717.19

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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.