Home / 56,378.85-84,577.62-20,840.22

Finding the Fourth Proportional to 56,378.85, 84,577.62 and 20,840.22

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Solution

The fourth proportional to 56,378.85, 84,577.62 and 20,840.22 is: 31,263.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,378.85 : 84,577.62 = 20,840.22 : x
  2. Step 2: Convert to fraction form
    56,378.85/84,577.62 = 20,840.22/x
  3. Step 3: Cross multiply
    56,378.85x = 84,577.62 × 20,840.22
  4. Step 4: Simplify right side
    56,378.85x = 1,762,616,286.03
  5. Step 5: Solve for x
    x = 1,762,616,286.03/56,378.85
  6. Step 6: Final answer
    x = 31,263.79

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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.