Home / 37,431.92-51,652.14-21,518.66

Finding the Fourth Proportional to 37,431.92, 51,652.14 and 21,518.66

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Solution

The fourth proportional to 37,431.92, 51,652.14 and 21,518.66 is: 29,693.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,431.92 : 51,652.14 = 21,518.66 : x
  2. Step 2: Convert to fraction form
    37,431.92/51,652.14 = 21,518.66/x
  3. Step 3: Cross multiply
    37,431.92x = 51,652.14 × 21,518.66
  4. Step 4: Simplify right side
    37,431.92x = 1,111,484,838.93
  5. Step 5: Solve for x
    x = 1,111,484,838.93/37,431.92
  6. Step 6: Final answer
    x = 29,693.50

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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.