Home / 64,764.60-97,110.36-19,777.92

Finding the Fourth Proportional to 64,764.60, 97,110.36 and 19,777.92

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Solution

The fourth proportional to 64,764.60, 97,110.36 and 19,777.92 is: 29,655.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,764.60 : 97,110.36 = 19,777.92 : x
  2. Step 2: Convert to fraction form
    64,764.60/97,110.36 = 19,777.92/x
  3. Step 3: Cross multiply
    64,764.60x = 97,110.36 × 19,777.92
  4. Step 4: Simplify right side
    64,764.60x = 1,920,640,931.25
  5. Step 5: Solve for x
    x = 1,920,640,931.25/64,764.60
  6. Step 6: Final answer
    x = 29,655.72

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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.