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Finding the Fourth Proportional to 64,468.79, 96,703.82 and 19,490.51

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Solution

The fourth proportional to 64,468.79, 96,703.82 and 19,490.51 is: 29,235.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,468.79 : 96,703.82 = 19,490.51 : x
  2. Step 2: Convert to fraction form
    64,468.79/96,703.82 = 19,490.51/x
  3. Step 3: Cross multiply
    64,468.79x = 96,703.82 × 19,490.51
  4. Step 4: Simplify right side
    64,468.79x = 1,884,806,335.96
  5. Step 5: Solve for x
    x = 1,884,806,335.96/64,468.79
  6. Step 6: Final answer
    x = 29,235.95

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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.