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Finding the Fourth Proportional to 46,898.65, 64,720.11 and 25,677.87

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Solution

The fourth proportional to 46,898.65, 64,720.11 and 25,677.87 is: 35,435.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,898.65 : 64,720.11 = 25,677.87 : x
  2. Step 2: Convert to fraction form
    46,898.65/64,720.11 = 25,677.87/x
  3. Step 3: Cross multiply
    46,898.65x = 64,720.11 × 25,677.87
  4. Step 4: Simplify right side
    46,898.65x = 1,661,874,570.97
  5. Step 5: Solve for x
    x = 1,661,874,570.97/46,898.65
  6. Step 6: Final answer
    x = 35,435.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.