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Finding the Fourth Proportional to 64,291.67, 96,437.52 and 31,005.53

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Solution

The fourth proportional to 64,291.67, 96,437.52 and 31,005.53 is: 46,508.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,291.67 : 96,437.52 = 31,005.53 : x
  2. Step 2: Convert to fraction form
    64,291.67/96,437.52 = 31,005.53/x
  3. Step 3: Cross multiply
    64,291.67x = 96,437.52 × 31,005.53
  4. Step 4: Simplify right side
    64,291.67x = 2,990,096,419.49
  5. Step 5: Solve for x
    x = 2,990,096,419.49/64,291.67
  6. Step 6: Final answer
    x = 46,508.30

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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.