Home / 43,310.07-64,967.42-13,730.20

Finding the Fourth Proportional to 43,310.07, 64,967.42 and 13,730.20

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Solution

The fourth proportional to 43,310.07, 64,967.42 and 13,730.20 is: 20,596.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,310.07 : 64,967.42 = 13,730.20 : x
  2. Step 2: Convert to fraction form
    43,310.07/64,967.42 = 13,730.20/x
  3. Step 3: Cross multiply
    43,310.07x = 64,967.42 × 13,730.20
  4. Step 4: Simplify right side
    43,310.07x = 892,015,541.99
  5. Step 5: Solve for x
    x = 892,015,541.99/43,310.07
  6. Step 6: Final answer
    x = 20,596.03

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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.