Home / 56,378.32-84,567.68-18,937.32

Finding the Fourth Proportional to 56,378.32, 84,567.68 and 18,937.32

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Solution

The fourth proportional to 56,378.32, 84,567.68 and 18,937.32 is: 28,406.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,378.32 : 84,567.68 = 18,937.32 : x
  2. Step 2: Convert to fraction form
    56,378.32/84,567.68 = 18,937.32/x
  3. Step 3: Cross multiply
    56,378.32x = 84,567.68 × 18,937.32
  4. Step 4: Simplify right side
    56,378.32x = 1,601,485,217.82
  5. Step 5: Solve for x
    x = 1,601,485,217.82/56,378.32
  6. Step 6: Final answer
    x = 28,406.05

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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.