Home / 64,021.68-88,353.36-35,727.12

Finding the Fourth Proportional to 64,021.68, 88,353.36 and 35,727.12

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Solution

The fourth proportional to 64,021.68, 88,353.36 and 35,727.12 is: 49,305.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,021.68 : 88,353.36 = 35,727.12 : x
  2. Step 2: Convert to fraction form
    64,021.68/88,353.36 = 35,727.12/x
  3. Step 3: Cross multiply
    64,021.68x = 88,353.36 × 35,727.12
  4. Step 4: Simplify right side
    64,021.68x = 3,156,611,095.12
  5. Step 5: Solve for x
    x = 3,156,611,095.12/64,021.68
  6. Step 6: Final answer
    x = 49,305.35

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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.