Home / 56,941.08-85,402.86-18,991.02

Finding the Fourth Proportional to 56,941.08, 85,402.86 and 18,991.02

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Solution

The fourth proportional to 56,941.08, 85,402.86 and 18,991.02 is: 28,483.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,941.08 : 85,402.86 = 18,991.02 : x
  2. Step 2: Convert to fraction form
    56,941.08/85,402.86 = 18,991.02/x
  3. Step 3: Cross multiply
    56,941.08x = 85,402.86 × 18,991.02
  4. Step 4: Simplify right side
    56,941.08x = 1,621,887,422.32
  5. Step 5: Solve for x
    x = 1,621,887,422.32/56,941.08
  6. Step 6: Final answer
    x = 28,483.61

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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.