Home / 40,772.08-56,241.58-25,640.74

Finding the Fourth Proportional to 40,772.08, 56,241.58 and 25,640.74

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Solution

The fourth proportional to 40,772.08, 56,241.58 and 25,640.74 is: 35,369.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,772.08 : 56,241.58 = 25,640.74 : x
  2. Step 2: Convert to fraction form
    40,772.08/56,241.58 = 25,640.74/x
  3. Step 3: Cross multiply
    40,772.08x = 56,241.58 × 25,640.74
  4. Step 4: Simplify right side
    40,772.08x = 1,442,075,601.77
  5. Step 5: Solve for x
    x = 1,442,075,601.77/40,772.08
  6. Step 6: Final answer
    x = 35,369.19

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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.