Home / 65,571.23-98,335.98-21,187.49

Finding the Fourth Proportional to 65,571.23, 98,335.98 and 21,187.49

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Solution

The fourth proportional to 65,571.23, 98,335.98 and 21,187.49 is: 31,774.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,571.23 : 98,335.98 = 21,187.49 : x
  2. Step 2: Convert to fraction form
    65,571.23/98,335.98 = 21,187.49/x
  3. Step 3: Cross multiply
    65,571.23x = 98,335.98 × 21,187.49
  4. Step 4: Simplify right side
    65,571.23x = 2,083,492,101.21
  5. Step 5: Solve for x
    x = 2,083,492,101.21/65,571.23
  6. Step 6: Final answer
    x = 31,774.49

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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.