Home / 35,159.08-52,721.58-12,982.90

Finding the Fourth Proportional to 35,159.08, 52,721.58 and 12,982.90

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Solution

The fourth proportional to 35,159.08, 52,721.58 and 12,982.90 is: 19,468.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,159.08 : 52,721.58 = 12,982.90 : x
  2. Step 2: Convert to fraction form
    35,159.08/52,721.58 = 12,982.90/x
  3. Step 3: Cross multiply
    35,159.08x = 52,721.58 × 12,982.90
  4. Step 4: Simplify right side
    35,159.08x = 684,479,000.98
  5. Step 5: Solve for x
    x = 684,479,000.98/35,159.08
  6. Step 6: Final answer
    x = 19,468.06

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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.