Home / 30,215.70-41,699.52-16,787.04

Finding the Fourth Proportional to 30,215.70, 41,699.52 and 16,787.04

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Solution

The fourth proportional to 30,215.70, 41,699.52 and 16,787.04 is: 23,167.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,215.70 : 41,699.52 = 16,787.04 : x
  2. Step 2: Convert to fraction form
    30,215.70/41,699.52 = 16,787.04/x
  3. Step 3: Cross multiply
    30,215.70x = 41,699.52 × 16,787.04
  4. Step 4: Simplify right side
    30,215.70x = 700,011,510.22
  5. Step 5: Solve for x
    x = 700,011,510.22/30,215.70
  6. Step 6: Final answer
    x = 23,167.15

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1.5x scale

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.