Home / 60,364.08-90,515.70-20,910.60

Finding the Fourth Proportional to 60,364.08, 90,515.70 and 20,910.60

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Solution

The fourth proportional to 60,364.08, 90,515.70 and 20,910.60 is: 31,355.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,364.08 : 90,515.70 = 20,910.60 : x
  2. Step 2: Convert to fraction form
    60,364.08/90,515.70 = 20,910.60/x
  3. Step 3: Cross multiply
    60,364.08x = 90,515.70 × 20,910.60
  4. Step 4: Simplify right side
    60,364.08x = 1,892,737,596.42
  5. Step 5: Solve for x
    x = 1,892,737,596.42/60,364.08
  6. Step 6: Final answer
    x = 31,355.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.