Home / 40,416.87-60,628.86-12,343.26

Finding the Fourth Proportional to 40,416.87, 60,628.86 and 12,343.26

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Solution

The fourth proportional to 40,416.87, 60,628.86 and 12,343.26 is: 18,515.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,416.87 : 60,628.86 = 12,343.26 : x
  2. Step 2: Convert to fraction form
    40,416.87/60,628.86 = 12,343.26/x
  3. Step 3: Cross multiply
    40,416.87x = 60,628.86 × 12,343.26
  4. Step 4: Simplify right side
    40,416.87x = 748,357,782.48
  5. Step 5: Solve for x
    x = 748,357,782.48/40,416.87
  6. Step 6: Final answer
    x = 18,515.98

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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.