Home / 40,520.50-55,938.74-25,435.06

Finding the Fourth Proportional to 40,520.50, 55,938.74 and 25,435.06

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Solution

The fourth proportional to 40,520.50, 55,938.74 and 25,435.06 is: 35,113.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,520.50 : 55,938.74 = 25,435.06 : x
  2. Step 2: Convert to fraction form
    40,520.50/55,938.74 = 25,435.06/x
  3. Step 3: Cross multiply
    40,520.50x = 55,938.74 × 25,435.06
  4. Step 4: Simplify right side
    40,520.50x = 1,422,804,941.20
  5. Step 5: Solve for x
    x = 1,422,804,941.20/40,520.50
  6. Step 6: Final answer
    x = 35,113.22

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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.