Home / 40,409.08-55,764.30-23,641.72

Finding the Fourth Proportional to 40,409.08, 55,764.30 and 23,641.72

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Solution

The fourth proportional to 40,409.08, 55,764.30 and 23,641.72 is: 32,625.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,409.08 : 55,764.30 = 23,641.72 : x
  2. Step 2: Convert to fraction form
    40,409.08/55,764.30 = 23,641.72/x
  3. Step 3: Cross multiply
    40,409.08x = 55,764.30 × 23,641.72
  4. Step 4: Simplify right side
    40,409.08x = 1,318,363,966.60
  5. Step 5: Solve for x
    x = 1,318,363,966.60/40,409.08
  6. Step 6: Final answer
    x = 32,625.44

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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.