Home / 45,545.48-68,310.46-12,258.12

Finding the Fourth Proportional to 45,545.48, 68,310.46 and 12,258.12

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Solution

The fourth proportional to 45,545.48, 68,310.46 and 12,258.12 is: 18,385.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,545.48 : 68,310.46 = 12,258.12 : x
  2. Step 2: Convert to fraction form
    45,545.48/68,310.46 = 12,258.12/x
  3. Step 3: Cross multiply
    45,545.48x = 68,310.46 × 12,258.12
  4. Step 4: Simplify right side
    45,545.48x = 837,357,785.29
  5. Step 5: Solve for x
    x = 837,357,785.29/45,545.48
  6. Step 6: Final answer
    x = 18,385.09

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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.