Home / 43,807.37-65,703.87-12,219.57

Finding the Fourth Proportional to 43,807.37, 65,703.87 and 12,219.57

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Solution

The fourth proportional to 43,807.37, 65,703.87 and 12,219.57 is: 18,327.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,807.37 : 65,703.87 = 12,219.57 : x
  2. Step 2: Convert to fraction form
    43,807.37/65,703.87 = 12,219.57/x
  3. Step 3: Cross multiply
    43,807.37x = 65,703.87 × 12,219.57
  4. Step 4: Simplify right side
    43,807.37x = 802,873,038.74
  5. Step 5: Solve for x
    x = 802,873,038.74/43,807.37
  6. Step 6: Final answer
    x = 18,327.35

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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.