Home / 38,754.30-58,141.35-12,459.30

Finding the Fourth Proportional to 38,754.30, 58,141.35 and 12,459.30

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Solution

The fourth proportional to 38,754.30, 58,141.35 and 12,459.30 is: 18,692.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,754.30 : 58,141.35 = 12,459.30 : x
  2. Step 2: Convert to fraction form
    38,754.30/58,141.35 = 12,459.30/x
  3. Step 3: Cross multiply
    38,754.30x = 58,141.35 × 12,459.30
  4. Step 4: Simplify right side
    38,754.30x = 724,400,522.06
  5. Step 5: Solve for x
    x = 724,400,522.06/38,754.30
  6. Step 6: Final answer
    x = 18,692.13

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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.