Home / 62,382.08-93,587.16-20,828

Finding the Fourth Proportional to 62,382.08, 93,587.16 and 20,828

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Solution

The fourth proportional to 62,382.08, 93,587.16 and 20,828 is: 31,246.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,382.08 : 93,587.16 = 20,828 : x
  2. Step 2: Convert to fraction form
    62,382.08/93,587.16 = 20,828/x
  3. Step 3: Cross multiply
    62,382.08x = 93,587.16 × 20,828
  4. Step 4: Simplify right side
    62,382.08x = 1,949,233,368.48
  5. Step 5: Solve for x
    x = 1,949,233,368.48/62,382.08
  6. Step 6: Final answer
    x = 31,246.69

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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.