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Finding the Fourth Proportional to 64,371.40, 96,557.10 and 17,624.20

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Solution

The fourth proportional to 64,371.40, 96,557.10 and 17,624.20 is: 26,436.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,371.40 : 96,557.10 = 17,624.20 : x
  2. Step 2: Convert to fraction form
    64,371.40/96,557.10 = 17,624.20/x
  3. Step 3: Cross multiply
    64,371.40x = 96,557.10 × 17,624.20
  4. Step 4: Simplify right side
    64,371.40x = 1,701,741,641.82
  5. Step 5: Solve for x
    x = 1,701,741,641.82/64,371.40
  6. Step 6: Final answer
    x = 26,436.30

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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.