Home / 40,152.48-55,436.43-25,818.75

Finding the Fourth Proportional to 40,152.48, 55,436.43 and 25,818.75

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Solution

The fourth proportional to 40,152.48, 55,436.43 and 25,818.75 is: 35,646.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,152.48 : 55,436.43 = 25,818.75 : x
  2. Step 2: Convert to fraction form
    40,152.48/55,436.43 = 25,818.75/x
  3. Step 3: Cross multiply
    40,152.48x = 55,436.43 × 25,818.75
  4. Step 4: Simplify right side
    40,152.48x = 1,431,299,327.06
  5. Step 5: Solve for x
    x = 1,431,299,327.06/40,152.48
  6. Step 6: Final answer
    x = 35,646.60

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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.