Home / 30,136.64-45,162.84-25,671.02

Finding the Fourth Proportional to 30,136.64, 45,162.84 and 25,671.02

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Solution

The fourth proportional to 30,136.64, 45,162.84 and 25,671.02 is: 38,470.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,136.64 : 45,162.84 = 25,671.02 : x
  2. Step 2: Convert to fraction form
    30,136.64/45,162.84 = 25,671.02/x
  3. Step 3: Cross multiply
    30,136.64x = 45,162.84 × 25,671.02
  4. Step 4: Simplify right side
    30,136.64x = 1,159,376,168.90
  5. Step 5: Solve for x
    x = 1,159,376,168.90/30,136.64
  6. Step 6: Final answer
    x = 38,470.65

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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.