Home / 43,810.42-65,714.66-12,219.64

Finding the Fourth Proportional to 43,810.42, 65,714.66 and 12,219.64

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Solution

The fourth proportional to 43,810.42, 65,714.66 and 12,219.64 is: 18,329.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,810.42 : 65,714.66 = 12,219.64 : x
  2. Step 2: Convert to fraction form
    43,810.42/65,714.66 = 12,219.64/x
  3. Step 3: Cross multiply
    43,810.42x = 65,714.66 × 12,219.64
  4. Step 4: Simplify right side
    43,810.42x = 803,009,487.92
  5. Step 5: Solve for x
    x = 803,009,487.92/43,810.42
  6. Step 6: Final answer
    x = 18,329.19

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1.5x scale

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.