Home / 43,547.63-65,332.37-12,382.88

Finding the Fourth Proportional to 43,547.63, 65,332.37 and 12,382.88

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Solution

The fourth proportional to 43,547.63, 65,332.37 and 12,382.88 is: 18,577.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,547.63 : 65,332.37 = 12,382.88 : x
  2. Step 2: Convert to fraction form
    43,547.63/65,332.37 = 12,382.88/x
  3. Step 3: Cross multiply
    43,547.63x = 65,332.37 × 12,382.88
  4. Step 4: Simplify right side
    43,547.63x = 809,002,602.12
  5. Step 5: Solve for x
    x = 809,002,602.12/43,547.63
  6. Step 6: Final answer
    x = 18,577.42

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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.