Home / 64,121.03-88,484.27-35,439.21

Finding the Fourth Proportional to 64,121.03, 88,484.27 and 35,439.21

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Solution

The fourth proportional to 64,121.03, 88,484.27 and 35,439.21 is: 48,904.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,121.03 : 88,484.27 = 35,439.21 : x
  2. Step 2: Convert to fraction form
    64,121.03/88,484.27 = 35,439.21/x
  3. Step 3: Cross multiply
    64,121.03x = 88,484.27 × 35,439.21
  4. Step 4: Simplify right side
    64,121.03x = 3,135,812,623.62
  5. Step 5: Solve for x
    x = 3,135,812,623.62/64,121.03
  6. Step 6: Final answer
    x = 48,904.59

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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.