Home / 43,184.06-64,778.40-13,604.20

Finding the Fourth Proportional to 43,184.06, 64,778.40 and 13,604.20

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Solution

The fourth proportional to 43,184.06, 64,778.40 and 13,604.20 is: 20,407.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,184.06 : 64,778.40 = 13,604.20 : x
  2. Step 2: Convert to fraction form
    43,184.06/64,778.40 = 13,604.20/x
  3. Step 3: Cross multiply
    43,184.06x = 64,778.40 × 13,604.20
  4. Step 4: Simplify right side
    43,184.06x = 881,258,309.28
  5. Step 5: Solve for x
    x = 881,258,309.28/43,184.06
  6. Step 6: Final answer
    x = 20,407.03

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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.