Home / 40,254.54-55,557.63-38,482.62

Finding the Fourth Proportional to 40,254.54, 55,557.63 and 38,482.62

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Solution

The fourth proportional to 40,254.54, 55,557.63 and 38,482.62 is: 53,112.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,254.54 : 55,557.63 = 38,482.62 : x
  2. Step 2: Convert to fraction form
    40,254.54/55,557.63 = 38,482.62/x
  3. Step 3: Cross multiply
    40,254.54x = 55,557.63 × 38,482.62
  4. Step 4: Simplify right side
    40,254.54x = 2,138,003,163.39
  5. Step 5: Solve for x
    x = 2,138,003,163.39/40,254.54
  6. Step 6: Final answer
    x = 53,112.10

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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.