Home / 51,820.13-71,513.18-29,159.93

Finding the Fourth Proportional to 51,820.13, 71,513.18 and 29,159.93

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Solution

The fourth proportional to 51,820.13, 71,513.18 and 29,159.93 is: 40,241.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,820.13 : 71,513.18 = 29,159.93 : x
  2. Step 2: Convert to fraction form
    51,820.13/71,513.18 = 29,159.93/x
  3. Step 3: Cross multiply
    51,820.13x = 71,513.18 × 29,159.93
  4. Step 4: Simplify right side
    51,820.13x = 2,085,319,322.88
  5. Step 5: Solve for x
    x = 2,085,319,322.88/51,820.13
  6. Step 6: Final answer
    x = 40,241.49

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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.