Home / 45,401.50-68,102.25-12,569.50

Finding the Fourth Proportional to 45,401.50, 68,102.25 and 12,569.50

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Solution

The fourth proportional to 45,401.50, 68,102.25 and 12,569.50 is: 18,854.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,401.50 : 68,102.25 = 12,569.50 : x
  2. Step 2: Convert to fraction form
    45,401.50/68,102.25 = 12,569.50/x
  3. Step 3: Cross multiply
    45,401.50x = 68,102.25 × 12,569.50
  4. Step 4: Simplify right side
    45,401.50x = 856,011,231.38
  5. Step 5: Solve for x
    x = 856,011,231.38/45,401.50
  6. Step 6: Final answer
    x = 18,854.25

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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.