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Finding the Fourth Proportional to 63,518.42, 87,657.02 and 35,920.87

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Solution

The fourth proportional to 63,518.42, 87,657.02 and 35,920.87 is: 49,571.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,518.42 : 87,657.02 = 35,920.87 : x
  2. Step 2: Convert to fraction form
    63,518.42/87,657.02 = 35,920.87/x
  3. Step 3: Cross multiply
    63,518.42x = 87,657.02 × 35,920.87
  4. Step 4: Simplify right side
    63,518.42x = 3,148,716,155.96
  5. Step 5: Solve for x
    x = 3,148,716,155.96/63,518.42
  6. Step 6: Final answer
    x = 49,571.71

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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.