Home / 45,888.08-68,785.61-31,098.49

Finding the Fourth Proportional to 45,888.08, 68,785.61 and 31,098.49

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Solution

The fourth proportional to 45,888.08, 68,785.61 and 31,098.49 is: 46,616.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,888.08 : 68,785.61 = 31,098.49 : x
  2. Step 2: Convert to fraction form
    45,888.08/68,785.61 = 31,098.49/x
  3. Step 3: Cross multiply
    45,888.08x = 68,785.61 × 31,098.49
  4. Step 4: Simplify right side
    45,888.08x = 2,139,128,277.27
  5. Step 5: Solve for x
    x = 2,139,128,277.27/45,888.08
  6. Step 6: Final answer
    x = 46,616.21

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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.