Home / 35,118.92-52,653.74-12,929.47

Finding the Fourth Proportional to 35,118.92, 52,653.74 and 12,929.47

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Solution

The fourth proportional to 35,118.92, 52,653.74 and 12,929.47 is: 19,385.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,118.92 : 52,653.74 = 12,929.47 : x
  2. Step 2: Convert to fraction form
    35,118.92/52,653.74 = 12,929.47/x
  3. Step 3: Cross multiply
    35,118.92x = 52,653.74 × 12,929.47
  4. Step 4: Simplify right side
    35,118.92x = 680,784,755.44
  5. Step 5: Solve for x
    x = 680,784,755.44/35,118.92
  6. Step 6: Final answer
    x = 19,385.13

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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.