Home / 43,184.12-64,778.50-13,604.27

Finding the Fourth Proportional to 43,184.12, 64,778.50 and 13,604.27

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Solution

The fourth proportional to 43,184.12, 64,778.50 and 13,604.27 is: 20,407.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,184.12 : 64,778.50 = 13,604.27 : x
  2. Step 2: Convert to fraction form
    43,184.12/64,778.50 = 13,604.27/x
  3. Step 3: Cross multiply
    43,184.12x = 64,778.50 × 13,604.27
  4. Step 4: Simplify right side
    43,184.12x = 881,264,261.69
  5. Step 5: Solve for x
    x = 881,264,261.69/43,184.12
  6. Step 6: Final answer
    x = 20,407.14

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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.