Home / 35,290.48-48,697.28-21,142.96

Finding the Fourth Proportional to 35,290.48, 48,697.28 and 21,142.96

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Solution

The fourth proportional to 35,290.48, 48,697.28 and 21,142.96 is: 29,175.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,290.48 : 48,697.28 = 21,142.96 : x
  2. Step 2: Convert to fraction form
    35,290.48/48,697.28 = 21,142.96/x
  3. Step 3: Cross multiply
    35,290.48x = 48,697.28 × 21,142.96
  4. Step 4: Simplify right side
    35,290.48x = 1,029,604,643.15
  5. Step 5: Solve for x
    x = 1,029,604,643.15/35,290.48
  6. Step 6: Final answer
    x = 29,175.14

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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.