Home / 30,215.04-41,698.53-16,787.76

Finding the Fourth Proportional to 30,215.04, 41,698.53 and 16,787.76

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Solution

The fourth proportional to 30,215.04, 41,698.53 and 16,787.76 is: 23,168.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,215.04 : 41,698.53 = 16,787.76 : x
  2. Step 2: Convert to fraction form
    30,215.04/41,698.53 = 16,787.76/x
  3. Step 3: Cross multiply
    30,215.04x = 41,698.53 × 16,787.76
  4. Step 4: Simplify right side
    30,215.04x = 700,024,913.99
  5. Step 5: Solve for x
    x = 700,024,913.99/30,215.04
  6. Step 6: Final answer
    x = 23,168.09

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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.