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Finding the Fourth Proportional to 64,264.96, 96,411.54 and 19,284.40

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Solution

The fourth proportional to 64,264.96, 96,411.54 and 19,284.40 is: 28,930.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,264.96 : 96,411.54 = 19,284.40 : x
  2. Step 2: Convert to fraction form
    64,264.96/96,411.54 = 19,284.40/x
  3. Step 3: Cross multiply
    64,264.96x = 96,411.54 × 19,284.40
  4. Step 4: Simplify right side
    64,264.96x = 1,859,238,701.98
  5. Step 5: Solve for x
    x = 1,859,238,701.98/64,264.96
  6. Step 6: Final answer
    x = 28,930.83

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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.