Home / 38,730.26-58,100.25-12,427.94

Finding the Fourth Proportional to 38,730.26, 58,100.25 and 12,427.94

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Solution

The fourth proportional to 38,730.26, 58,100.25 and 12,427.94 is: 18,643.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,730.26 : 58,100.25 = 12,427.94 : x
  2. Step 2: Convert to fraction form
    38,730.26/58,100.25 = 12,427.94/x
  3. Step 3: Cross multiply
    38,730.26x = 58,100.25 × 12,427.94
  4. Step 4: Simplify right side
    38,730.26x = 722,066,420.99
  5. Step 5: Solve for x
    x = 722,066,420.99/38,730.26
  6. Step 6: Final answer
    x = 18,643.47

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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.