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Finding the Fourth Proportional to 64,282.81, 96,486.45 and 31,026.22

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Solution

The fourth proportional to 64,282.81, 96,486.45 and 31,026.22 is: 46,569.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,282.81 : 96,486.45 = 31,026.22 : x
  2. Step 2: Convert to fraction form
    64,282.81/96,486.45 = 31,026.22/x
  3. Step 3: Cross multiply
    64,282.81x = 96,486.45 × 31,026.22
  4. Step 4: Simplify right side
    64,282.81x = 2,993,609,824.72
  5. Step 5: Solve for x
    x = 2,993,609,824.72/64,282.81
  6. Step 6: Final answer
    x = 46,569.37

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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.