Home / 53,145.16-73,342.38-29,272.84

Finding the Fourth Proportional to 53,145.16, 73,342.38 and 29,272.84

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Solution

The fourth proportional to 53,145.16, 73,342.38 and 29,272.84 is: 40,397.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,145.16 : 73,342.38 = 29,272.84 : x
  2. Step 2: Convert to fraction form
    53,145.16/73,342.38 = 29,272.84/x
  3. Step 3: Cross multiply
    53,145.16x = 73,342.38 × 29,272.84
  4. Step 4: Simplify right side
    53,145.16x = 2,146,939,754.96
  5. Step 5: Solve for x
    x = 2,146,939,754.96/53,145.16
  6. Step 6: Final answer
    x = 40,397.65

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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.