Home / 65,221.82-97,777.47-25,806.74

Finding the Fourth Proportional to 65,221.82, 97,777.47 and 25,806.74

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Solution

The fourth proportional to 65,221.82, 97,777.47 and 25,806.74 is: 38,688.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,221.82 : 97,777.47 = 25,806.74 : x
  2. Step 2: Convert to fraction form
    65,221.82/97,777.47 = 25,806.74/x
  3. Step 3: Cross multiply
    65,221.82x = 97,777.47 × 25,806.74
  4. Step 4: Simplify right side
    65,221.82x = 2,523,317,746.15
  5. Step 5: Solve for x
    x = 2,523,317,746.15/65,221.82
  6. Step 6: Final answer
    x = 38,688.24

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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.