Home / 42,063.41-63,186.74-25,431.28

Finding the Fourth Proportional to 42,063.41, 63,186.74 and 25,431.28

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Solution

The fourth proportional to 42,063.41, 63,186.74 and 25,431.28 is: 38,202.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,063.41 : 63,186.74 = 25,431.28 : x
  2. Step 2: Convert to fraction form
    42,063.41/63,186.74 = 25,431.28/x
  3. Step 3: Cross multiply
    42,063.41x = 63,186.74 × 25,431.28
  4. Step 4: Simplify right side
    42,063.41x = 1,606,919,677.23
  5. Step 5: Solve for x
    x = 1,606,919,677.23/42,063.41
  6. Step 6: Final answer
    x = 38,202.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.