Home / 43,014.70-64,519.76-13,429.15

Finding the Fourth Proportional to 43,014.70, 64,519.76 and 13,429.15

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Solution

The fourth proportional to 43,014.70, 64,519.76 and 13,429.15 is: 20,143.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,014.70 : 64,519.76 = 13,429.15 : x
  2. Step 2: Convert to fraction form
    43,014.70/64,519.76 = 13,429.15/x
  3. Step 3: Cross multiply
    43,014.70x = 64,519.76 × 13,429.15
  4. Step 4: Simplify right side
    43,014.70x = 866,445,407.28
  5. Step 5: Solve for x
    x = 866,445,407.28/43,014.70
  6. Step 6: Final answer
    x = 20,143.01

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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.