Home / 37,665.76-51,979.08-21,752.92

Finding the Fourth Proportional to 37,665.76, 51,979.08 and 21,752.92

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Solution

The fourth proportional to 37,665.76, 51,979.08 and 21,752.92 is: 30,019.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,665.76 : 51,979.08 = 21,752.92 : x
  2. Step 2: Convert to fraction form
    37,665.76/51,979.08 = 21,752.92/x
  3. Step 3: Cross multiply
    37,665.76x = 51,979.08 × 21,752.92
  4. Step 4: Simplify right side
    37,665.76x = 1,130,696,768.91
  5. Step 5: Solve for x
    x = 1,130,696,768.91/37,665.76
  6. Step 6: Final answer
    x = 30,019.22

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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.