Home / 37,484.74-51,731.13-20,719.30

Finding the Fourth Proportional to 37,484.74, 51,731.13 and 20,719.30

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Solution

The fourth proportional to 37,484.74, 51,731.13 and 20,719.30 is: 28,593.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,484.74 : 51,731.13 = 20,719.30 : x
  2. Step 2: Convert to fraction form
    37,484.74/51,731.13 = 20,719.30/x
  3. Step 3: Cross multiply
    37,484.74x = 51,731.13 × 20,719.30
  4. Step 4: Simplify right side
    37,484.74x = 1,071,832,801.81
  5. Step 5: Solve for x
    x = 1,071,832,801.81/37,484.74
  6. Step 6: Final answer
    x = 28,593.84

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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.