Home / 53,394.66-80,223.30-40,207.02

Finding the Fourth Proportional to 53,394.66, 80,223.30 and 40,207.02

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Solution

The fourth proportional to 53,394.66, 80,223.30 and 40,207.02 is: 60,409.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,394.66 : 80,223.30 = 40,207.02 : x
  2. Step 2: Convert to fraction form
    53,394.66/80,223.30 = 40,207.02/x
  3. Step 3: Cross multiply
    53,394.66x = 80,223.30 × 40,207.02
  4. Step 4: Simplify right side
    53,394.66x = 3,225,539,827.57
  5. Step 5: Solve for x
    x = 3,225,539,827.57/53,394.66
  6. Step 6: Final answer
    x = 60,409.41

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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.