Home / 35,156.12-52,732.80-12,959.90

Finding the Fourth Proportional to 35,156.12, 52,732.80 and 12,959.90

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Solution

The fourth proportional to 35,156.12, 52,732.80 and 12,959.90 is: 19,439.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,156.12 : 52,732.80 = 12,959.90 : x
  2. Step 2: Convert to fraction form
    35,156.12/52,732.80 = 12,959.90/x
  3. Step 3: Cross multiply
    35,156.12x = 52,732.80 × 12,959.90
  4. Step 4: Simplify right side
    35,156.12x = 683,411,814.72
  5. Step 5: Solve for x
    x = 683,411,814.72/35,156.12
  6. Step 6: Final answer
    x = 19,439.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.