Home / 30,848.76-42,586.09-19,523.75

Finding the Fourth Proportional to 30,848.76, 42,586.09 and 19,523.75

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Solution

The fourth proportional to 30,848.76, 42,586.09 and 19,523.75 is: 26,952.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,848.76 : 42,586.09 = 19,523.75 : x
  2. Step 2: Convert to fraction form
    30,848.76/42,586.09 = 19,523.75/x
  3. Step 3: Cross multiply
    30,848.76x = 42,586.09 × 19,523.75
  4. Step 4: Simplify right side
    30,848.76x = 831,439,912.90
  5. Step 5: Solve for x
    x = 831,439,912.90/30,848.76
  6. Step 6: Final answer
    x = 26,952.13

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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.