Home / 35,031.40-48,342.42-19,116.04

Finding the Fourth Proportional to 35,031.40, 48,342.42 and 19,116.04

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Solution

The fourth proportional to 35,031.40, 48,342.42 and 19,116.04 is: 26,379.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,031.40 : 48,342.42 = 19,116.04 : x
  2. Step 2: Convert to fraction form
    35,031.40/48,342.42 = 19,116.04/x
  3. Step 3: Cross multiply
    35,031.40x = 48,342.42 × 19,116.04
  4. Step 4: Simplify right side
    35,031.40x = 924,115,634.42
  5. Step 5: Solve for x
    x = 924,115,634.42/35,031.40
  6. Step 6: Final answer
    x = 26,379.64

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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.