Home / 39,148.40-58,625.40-31,372.40

Finding the Fourth Proportional to 39,148.40, 58,625.40 and 31,372.40

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Solution

The fourth proportional to 39,148.40, 58,625.40 and 31,372.40 is: 46,980.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,148.40 : 58,625.40 = 31,372.40 : x
  2. Step 2: Convert to fraction form
    39,148.40/58,625.40 = 31,372.40/x
  3. Step 3: Cross multiply
    39,148.40x = 58,625.40 × 31,372.40
  4. Step 4: Simplify right side
    39,148.40x = 1,839,219,498.96
  5. Step 5: Solve for x
    x = 1,839,219,498.96/39,148.40
  6. Step 6: Final answer
    x = 46,980.71

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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.