Home / 38,856.58-58,294.56-12,563.98

Finding the Fourth Proportional to 38,856.58, 58,294.56 and 12,563.98

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Solution

The fourth proportional to 38,856.58, 58,294.56 and 12,563.98 is: 18,849.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,856.58 : 58,294.56 = 12,563.98 : x
  2. Step 2: Convert to fraction form
    38,856.58/58,294.56 = 12,563.98/x
  3. Step 3: Cross multiply
    38,856.58x = 58,294.56 × 12,563.98
  4. Step 4: Simplify right side
    38,856.58x = 732,411,685.95
  5. Step 5: Solve for x
    x = 732,411,685.95/38,856.58
  6. Step 6: Final answer
    x = 18,849.10

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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.