Home / 51,887.79-77,831.75-14,447.95

Finding the Fourth Proportional to 51,887.79, 77,831.75 and 14,447.95

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Solution

The fourth proportional to 51,887.79, 77,831.75 and 14,447.95 is: 21,671.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,887.79 : 77,831.75 = 14,447.95 : x
  2. Step 2: Convert to fraction form
    51,887.79/77,831.75 = 14,447.95/x
  3. Step 3: Cross multiply
    51,887.79x = 77,831.75 × 14,447.95
  4. Step 4: Simplify right side
    51,887.79x = 1,124,508,965.59
  5. Step 5: Solve for x
    x = 1,124,508,965.59/51,887.79
  6. Step 6: Final answer
    x = 21,671.94

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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.