Home / 43,387.40-65,118.04-30,937.92

Finding the Fourth Proportional to 43,387.40, 65,118.04 and 30,937.92

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Solution

The fourth proportional to 43,387.40, 65,118.04 and 30,937.92 is: 46,433.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,387.40 : 65,118.04 = 30,937.92 : x
  2. Step 2: Convert to fraction form
    43,387.40/65,118.04 = 30,937.92/x
  3. Step 3: Cross multiply
    43,387.40x = 65,118.04 × 30,937.92
  4. Step 4: Simplify right side
    43,387.40x = 2,014,616,712.08
  5. Step 5: Solve for x
    x = 2,014,616,712.08/43,387.40
  6. Step 6: Final answer
    x = 46,433.22

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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.