Home / 43,184.77-64,777.29-12,020.02

Finding the Fourth Proportional to 43,184.77, 64,777.29 and 12,020.02

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Solution

The fourth proportional to 43,184.77, 64,777.29 and 12,020.02 is: 18,030.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,184.77 : 64,777.29 = 12,020.02 : x
  2. Step 2: Convert to fraction form
    43,184.77/64,777.29 = 12,020.02/x
  3. Step 3: Cross multiply
    43,184.77x = 64,777.29 × 12,020.02
  4. Step 4: Simplify right side
    43,184.77x = 778,624,321.35
  5. Step 5: Solve for x
    x = 778,624,321.35/43,184.77
  6. Step 6: Final answer
    x = 18,030.07

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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.