Home / 65,928.54-90,981.83-35,713.86

Finding the Fourth Proportional to 65,928.54, 90,981.83 and 35,713.86

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Solution

The fourth proportional to 65,928.54, 90,981.83 and 35,713.86 is: 49,285.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,928.54 : 90,981.83 = 35,713.86 : x
  2. Step 2: Convert to fraction form
    65,928.54/90,981.83 = 35,713.86/x
  3. Step 3: Cross multiply
    65,928.54x = 90,981.83 × 35,713.86
  4. Step 4: Simplify right side
    65,928.54x = 3,249,312,160.59
  5. Step 5: Solve for x
    x = 3,249,312,160.59/65,928.54
  6. Step 6: Final answer
    x = 49,285.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.