Home / 65,512.94-98,281.96-21,127.77

Finding the Fourth Proportional to 65,512.94, 98,281.96 and 21,127.77

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Solution

The fourth proportional to 65,512.94, 98,281.96 and 21,127.77 is: 31,695.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,512.94 : 98,281.96 = 21,127.77 : x
  2. Step 2: Convert to fraction form
    65,512.94/98,281.96 = 21,127.77/x
  3. Step 3: Cross multiply
    65,512.94x = 98,281.96 × 21,127.77
  4. Step 4: Simplify right side
    65,512.94x = 2,076,478,593.21
  5. Step 5: Solve for x
    x = 2,076,478,593.21/65,512.94
  6. Step 6: Final answer
    x = 31,695.70

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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.