Home / 66,309.49-99,463.25-16,389.59

Finding the Fourth Proportional to 66,309.49, 99,463.25 and 16,389.59

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Solution

The fourth proportional to 66,309.49, 99,463.25 and 16,389.59 is: 24,584.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,309.49 : 99,463.25 = 16,389.59 : x
  2. Step 2: Convert to fraction form
    66,309.49/99,463.25 = 16,389.59/x
  3. Step 3: Cross multiply
    66,309.49x = 99,463.25 × 16,389.59
  4. Step 4: Simplify right side
    66,309.49x = 1,630,161,390.25
  5. Step 5: Solve for x
    x = 1,630,161,390.25/66,309.49
  6. Step 6: Final answer
    x = 24,584.14

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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.