Home / 63,639.38-87,824.16-35,346.89

Finding the Fourth Proportional to 63,639.38, 87,824.16 and 35,346.89

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Solution

The fourth proportional to 63,639.38, 87,824.16 and 35,346.89 is: 48,779.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,639.38 : 87,824.16 = 35,346.89 : x
  2. Step 2: Convert to fraction form
    63,639.38/87,824.16 = 35,346.89/x
  3. Step 3: Cross multiply
    63,639.38x = 87,824.16 × 35,346.89
  4. Step 4: Simplify right side
    63,639.38x = 3,104,310,922.86
  5. Step 5: Solve for x
    x = 3,104,310,922.86/63,639.38
  6. Step 6: Final answer
    x = 48,779.72

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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.