Home / 43,186.50-64,779.75-12,022.56

Finding the Fourth Proportional to 43,186.50, 64,779.75 and 12,022.56

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Solution

The fourth proportional to 43,186.50, 64,779.75 and 12,022.56 is: 18,033.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,186.50 : 64,779.75 = 12,022.56 : x
  2. Step 2: Convert to fraction form
    43,186.50/64,779.75 = 12,022.56/x
  3. Step 3: Cross multiply
    43,186.50x = 64,779.75 × 12,022.56
  4. Step 4: Simplify right side
    43,186.50x = 778,818,431.16
  5. Step 5: Solve for x
    x = 778,818,431.16/43,186.50
  6. Step 6: Final answer
    x = 18,033.84

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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.