Home / 42,911.76-64,351.86-14,824.62

Finding the Fourth Proportional to 42,911.76, 64,351.86 and 14,824.62

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Solution

The fourth proportional to 42,911.76, 64,351.86 and 14,824.62 is: 22,231.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,911.76 : 64,351.86 = 14,824.62 : x
  2. Step 2: Convert to fraction form
    42,911.76/64,351.86 = 14,824.62/x
  3. Step 3: Cross multiply
    42,911.76x = 64,351.86 × 14,824.62
  4. Step 4: Simplify right side
    42,911.76x = 953,991,870.79
  5. Step 5: Solve for x
    x = 953,991,870.79/42,911.76
  6. Step 6: Final answer
    x = 22,231.48

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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.