Home / 48,365.40-66,754.20-30,448.38

Finding the Fourth Proportional to 48,365.40, 66,754.20 and 30,448.38

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Solution

The fourth proportional to 48,365.40, 66,754.20 and 30,448.38 is: 42,025.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,365.40 : 66,754.20 = 30,448.38 : x
  2. Step 2: Convert to fraction form
    48,365.40/66,754.20 = 30,448.38/x
  3. Step 3: Cross multiply
    48,365.40x = 66,754.20 × 30,448.38
  4. Step 4: Simplify right side
    48,365.40x = 2,032,557,248.20
  5. Step 5: Solve for x
    x = 2,032,557,248.20/48,365.40
  6. Step 6: Final answer
    x = 42,025.03

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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.