Home / 37,688.29-52,009.91-21,772.63

Finding the Fourth Proportional to 37,688.29, 52,009.91 and 21,772.63

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Solution

The fourth proportional to 37,688.29, 52,009.91 and 21,772.63 is: 30,046.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,688.29 : 52,009.91 = 21,772.63 : x
  2. Step 2: Convert to fraction form
    37,688.29/52,009.91 = 21,772.63/x
  3. Step 3: Cross multiply
    37,688.29x = 52,009.91 × 21,772.63
  4. Step 4: Simplify right side
    37,688.29x = 1,132,392,417.90
  5. Step 5: Solve for x
    x = 1,132,392,417.90/37,688.29
  6. Step 6: Final answer
    x = 30,046.27

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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.