Home / 56,638.08-78,159.84-32,764.20

Finding the Fourth Proportional to 56,638.08, 78,159.84 and 32,764.20

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Solution

The fourth proportional to 56,638.08, 78,159.84 and 32,764.20 is: 45,214.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,638.08 : 78,159.84 = 32,764.20 : x
  2. Step 2: Convert to fraction form
    56,638.08/78,159.84 = 32,764.20/x
  3. Step 3: Cross multiply
    56,638.08x = 78,159.84 × 32,764.20
  4. Step 4: Simplify right side
    56,638.08x = 2,560,844,629.73
  5. Step 5: Solve for x
    x = 2,560,844,629.73/56,638.08
  6. Step 6: Final answer
    x = 45,214.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.