Home / 46,899.46-64,721.28-25,678.72

Finding the Fourth Proportional to 46,899.46, 64,721.28 and 25,678.72

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Solution

The fourth proportional to 46,899.46, 64,721.28 and 25,678.72 is: 35,436.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,899.46 : 64,721.28 = 25,678.72 : x
  2. Step 2: Convert to fraction form
    46,899.46/64,721.28 = 25,678.72/x
  3. Step 3: Cross multiply
    46,899.46x = 64,721.28 × 25,678.72
  4. Step 4: Simplify right side
    46,899.46x = 1,661,959,627.16
  5. Step 5: Solve for x
    x = 1,661,959,627.16/46,899.46
  6. Step 6: Final answer
    x = 35,436.65

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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.