Home / 64,637.46-96,887.01-31,311.78

Finding the Fourth Proportional to 64,637.46, 96,887.01 and 31,311.78

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Solution

The fourth proportional to 64,637.46, 96,887.01 and 31,311.78 is: 46,934.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,637.46 : 96,887.01 = 31,311.78 : x
  2. Step 2: Convert to fraction form
    64,637.46/96,887.01 = 31,311.78/x
  3. Step 3: Cross multiply
    64,637.46x = 96,887.01 × 31,311.78
  4. Step 4: Simplify right side
    64,637.46x = 3,033,704,741.98
  5. Step 5: Solve for x
    x = 3,033,704,741.98/64,637.46
  6. Step 6: Final answer
    x = 46,934.16

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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.