Home / 51,242.90-70,696.14-29,720.58

Finding the Fourth Proportional to 51,242.90, 70,696.14 and 29,720.58

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Solution

The fourth proportional to 51,242.90, 70,696.14 and 29,720.58 is: 41,003.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,242.90 : 70,696.14 = 29,720.58 : x
  2. Step 2: Convert to fraction form
    51,242.90/70,696.14 = 29,720.58/x
  3. Step 3: Cross multiply
    51,242.90x = 70,696.14 × 29,720.58
  4. Step 4: Simplify right side
    51,242.90x = 2,101,130,284.56
  5. Step 5: Solve for x
    x = 2,101,130,284.56/51,242.90
  6. Step 6: Final answer
    x = 41,003.35

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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.