Home / 53,821.16-74,228.90-47,775.82

Finding the Fourth Proportional to 53,821.16, 74,228.90 and 47,775.82

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Solution

The fourth proportional to 53,821.16, 74,228.90 and 47,775.82 is: 65,891.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,821.16 : 74,228.90 = 47,775.82 : x
  2. Step 2: Convert to fraction form
    53,821.16/74,228.90 = 47,775.82/x
  3. Step 3: Cross multiply
    53,821.16x = 74,228.90 × 47,775.82
  4. Step 4: Simplify right side
    53,821.16x = 3,546,346,565.20
  5. Step 5: Solve for x
    x = 3,546,346,565.20/53,821.16
  6. Step 6: Final answer
    x = 65,891.31

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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.