Home / 53,140.71-73,334.34-28,941.86

Finding the Fourth Proportional to 53,140.71, 73,334.34 and 28,941.86

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Solution

The fourth proportional to 53,140.71, 73,334.34 and 28,941.86 is: 39,939.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,140.71 : 73,334.34 = 28,941.86 : x
  2. Step 2: Convert to fraction form
    53,140.71/73,334.34 = 28,941.86/x
  3. Step 3: Cross multiply
    53,140.71x = 73,334.34 × 28,941.86
  4. Step 4: Simplify right side
    53,140.71x = 2,122,431,834.80
  5. Step 5: Solve for x
    x = 2,122,431,834.80/53,140.71
  6. Step 6: Final answer
    x = 39,939.85

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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.