Home / 38,670.13-58,004.12-12,374.49

Finding the Fourth Proportional to 38,670.13, 58,004.12 and 12,374.49

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Solution

The fourth proportional to 38,670.13, 58,004.12 and 12,374.49 is: 18,561.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,670.13 : 58,004.12 = 12,374.49 : x
  2. Step 2: Convert to fraction form
    38,670.13/58,004.12 = 12,374.49/x
  3. Step 3: Cross multiply
    38,670.13x = 58,004.12 × 12,374.49
  4. Step 4: Simplify right side
    38,670.13x = 717,771,402.90
  5. Step 5: Solve for x
    x = 717,771,402.90/38,670.13
  6. Step 6: Final answer
    x = 18,561.39

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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.