Home / 64,361.85-88,819.38-39,211.35

Finding the Fourth Proportional to 64,361.85, 88,819.38 and 39,211.35

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Solution

The fourth proportional to 64,361.85, 88,819.38 and 39,211.35 is: 54,111.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,361.85 : 88,819.38 = 39,211.35 : x
  2. Step 2: Convert to fraction form
    64,361.85/88,819.38 = 39,211.35/x
  3. Step 3: Cross multiply
    64,361.85x = 88,819.38 × 39,211.35
  4. Step 4: Simplify right side
    64,361.85x = 3,482,727,795.96
  5. Step 5: Solve for x
    x = 3,482,727,795.96/64,361.85
  6. Step 6: Final answer
    x = 54,111.68

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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.