Home / 40,411.06-60,619.74-12,331.35

Finding the Fourth Proportional to 40,411.06, 60,619.74 and 12,331.35

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Solution

The fourth proportional to 40,411.06, 60,619.74 and 12,331.35 is: 18,497.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,411.06 : 60,619.74 = 12,331.35 : x
  2. Step 2: Convert to fraction form
    40,411.06/60,619.74 = 12,331.35/x
  3. Step 3: Cross multiply
    40,411.06x = 60,619.74 × 12,331.35
  4. Step 4: Simplify right side
    40,411.06x = 747,523,108.40
  5. Step 5: Solve for x
    x = 747,523,108.40/40,411.06
  6. Step 6: Final answer
    x = 18,497.98

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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.