Home / 37,663.19-51,975.05-20,667.72

Finding the Fourth Proportional to 37,663.19, 51,975.05 and 20,667.72

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Solution

The fourth proportional to 37,663.19, 51,975.05 and 20,667.72 is: 28,521.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,663.19 : 51,975.05 = 20,667.72 : x
  2. Step 2: Convert to fraction form
    37,663.19/51,975.05 = 20,667.72/x
  3. Step 3: Cross multiply
    37,663.19x = 51,975.05 × 20,667.72
  4. Step 4: Simplify right side
    37,663.19x = 1,074,205,572.18
  5. Step 5: Solve for x
    x = 1,074,205,572.18/37,663.19
  6. Step 6: Final answer
    x = 28,521.37

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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.