Home / 37,426.95-51,651.14-21,512.88

Finding the Fourth Proportional to 37,426.95, 51,651.14 and 21,512.88

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Solution

The fourth proportional to 37,426.95, 51,651.14 and 21,512.88 is: 29,688.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,426.95 : 51,651.14 = 21,512.88 : x
  2. Step 2: Convert to fraction form
    37,426.95/51,651.14 = 21,512.88/x
  3. Step 3: Cross multiply
    37,426.95x = 51,651.14 × 21,512.88
  4. Step 4: Simplify right side
    37,426.95x = 1,111,164,669.12
  5. Step 5: Solve for x
    x = 1,111,164,669.12/37,426.95
  6. Step 6: Final answer
    x = 29,688.89

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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.