Home / 40,830.30-61,245.45-14,564.70

Finding the Fourth Proportional to 40,830.30, 61,245.45 and 14,564.70

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Solution

The fourth proportional to 40,830.30, 61,245.45 and 14,564.70 is: 21,847.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,830.30 : 61,245.45 = 14,564.70 : x
  2. Step 2: Convert to fraction form
    40,830.30/61,245.45 = 14,564.70/x
  3. Step 3: Cross multiply
    40,830.30x = 61,245.45 × 14,564.70
  4. Step 4: Simplify right side
    40,830.30x = 892,021,605.62
  5. Step 5: Solve for x
    x = 892,021,605.62/40,830.30
  6. Step 6: Final answer
    x = 21,847.05

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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.