Home / 50,429.51-75,656.11-28,258.19

Finding the Fourth Proportional to 50,429.51, 75,656.11 and 28,258.19

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Solution

The fourth proportional to 50,429.51, 75,656.11 and 28,258.19 is: 42,393.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,429.51 : 75,656.11 = 28,258.19 : x
  2. Step 2: Convert to fraction form
    50,429.51/75,656.11 = 28,258.19/x
  3. Step 3: Cross multiply
    50,429.51x = 75,656.11 × 28,258.19
  4. Step 4: Simplify right side
    50,429.51x = 2,137,904,731.04
  5. Step 5: Solve for x
    x = 2,137,904,731.04/50,429.51
  6. Step 6: Final answer
    x = 42,393.92

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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.