Home / 45,887.36-68,831.06-12,610.94

Finding the Fourth Proportional to 45,887.36, 68,831.06 and 12,610.94

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Solution

The fourth proportional to 45,887.36, 68,831.06 and 12,610.94 is: 18,916.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,887.36 : 68,831.06 = 12,610.94 : x
  2. Step 2: Convert to fraction form
    45,887.36/68,831.06 = 12,610.94/x
  3. Step 3: Cross multiply
    45,887.36x = 68,831.06 × 12,610.94
  4. Step 4: Simplify right side
    45,887.36x = 868,023,960.59
  5. Step 5: Solve for x
    x = 868,023,960.59/45,887.36
  6. Step 6: Final answer
    x = 18,916.41

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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.