Home / 63,998.68-88,318.20-35,703.76

Finding the Fourth Proportional to 63,998.68, 88,318.20 and 35,703.76

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Solution

The fourth proportional to 63,998.68, 88,318.20 and 35,703.76 is: 49,271.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,998.68 : 88,318.20 = 35,703.76 : x
  2. Step 2: Convert to fraction form
    63,998.68/88,318.20 = 35,703.76/x
  3. Step 3: Cross multiply
    63,998.68x = 88,318.20 × 35,703.76
  4. Step 4: Simplify right side
    63,998.68x = 3,153,291,816.43
  5. Step 5: Solve for x
    x = 3,153,291,816.43/63,998.68
  6. Step 6: Final answer
    x = 49,271.20

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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.