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Finding the Fourth Proportional to 64,240.40, 96,374.76 and 19,259.96

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Solution

The fourth proportional to 64,240.40, 96,374.76 and 19,259.96 is: 28,894.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,240.40 : 96,374.76 = 19,259.96 : x
  2. Step 2: Convert to fraction form
    64,240.40/96,374.76 = 19,259.96/x
  3. Step 3: Cross multiply
    64,240.40x = 96,374.76 × 19,259.96
  4. Step 4: Simplify right side
    64,240.40x = 1,856,174,022.61
  5. Step 5: Solve for x
    x = 1,856,174,022.61/64,240.40
  6. Step 6: Final answer
    x = 28,894.19

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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.