Home / 37,031.20-51,094.92-21,916.32

Finding the Fourth Proportional to 37,031.20, 51,094.92 and 21,916.32

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Solution

The fourth proportional to 37,031.20, 51,094.92 and 21,916.32 is: 30,239.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,031.20 : 51,094.92 = 21,916.32 : x
  2. Step 2: Convert to fraction form
    37,031.20/51,094.92 = 21,916.32/x
  3. Step 3: Cross multiply
    37,031.20x = 51,094.92 × 21,916.32
  4. Step 4: Simplify right side
    37,031.20x = 1,119,812,617.09
  5. Step 5: Solve for x
    x = 1,119,812,617.09/37,031.20
  6. Step 6: Final answer
    x = 30,239.71

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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.