Home / 45,188.82-67,814.49-15,606.90

Finding the Fourth Proportional to 45,188.82, 67,814.49 and 15,606.90

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Solution

The fourth proportional to 45,188.82, 67,814.49 and 15,606.90 is: 23,421.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,188.82 : 67,814.49 = 15,606.90 : x
  2. Step 2: Convert to fraction form
    45,188.82/67,814.49 = 15,606.90/x
  3. Step 3: Cross multiply
    45,188.82x = 67,814.49 × 15,606.90
  4. Step 4: Simplify right side
    45,188.82x = 1,058,373,963.98
  5. Step 5: Solve for x
    x = 1,058,373,963.98/45,188.82
  6. Step 6: Final answer
    x = 23,421.15

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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.