Home / 40,235.64-60,358.92-13,942.43

Finding the Fourth Proportional to 40,235.64, 60,358.92 and 13,942.43

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Solution

The fourth proportional to 40,235.64, 60,358.92 and 13,942.43 is: 20,915.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,235.64 : 60,358.92 = 13,942.43 : x
  2. Step 2: Convert to fraction form
    40,235.64/60,358.92 = 13,942.43/x
  3. Step 3: Cross multiply
    40,235.64x = 60,358.92 × 13,942.43
  4. Step 4: Simplify right side
    40,235.64x = 841,549,967.67
  5. Step 5: Solve for x
    x = 841,549,967.67/40,235.64
  6. Step 6: Final answer
    x = 20,915.54

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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.