Home / 37,644.76-51,943.62-21,731.32

Finding the Fourth Proportional to 37,644.76, 51,943.62 and 21,731.32

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Solution

The fourth proportional to 37,644.76, 51,943.62 and 21,731.32 is: 29,985.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,644.76 : 51,943.62 = 21,731.32 : x
  2. Step 2: Convert to fraction form
    37,644.76/51,943.62 = 21,731.32/x
  3. Step 3: Cross multiply
    37,644.76x = 51,943.62 × 21,731.32
  4. Step 4: Simplify right side
    37,644.76x = 1,128,803,428.18
  5. Step 5: Solve for x
    x = 1,128,803,428.18/37,644.76
  6. Step 6: Final answer
    x = 29,985.67

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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.