Home / 35,812.72-53,719.40-14,747.76

Finding the Fourth Proportional to 35,812.72, 53,719.40 and 14,747.76

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Solution

The fourth proportional to 35,812.72, 53,719.40 and 14,747.76 is: 22,121.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,812.72 : 53,719.40 = 14,747.76 : x
  2. Step 2: Convert to fraction form
    35,812.72/53,719.40 = 14,747.76/x
  3. Step 3: Cross multiply
    35,812.72x = 53,719.40 × 14,747.76
  4. Step 4: Simplify right side
    35,812.72x = 792,240,818.54
  5. Step 5: Solve for x
    x = 792,240,818.54/35,812.72
  6. Step 6: Final answer
    x = 22,121.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.