Home / 52,431.66-72,355.32-28,558.26

Finding the Fourth Proportional to 52,431.66, 72,355.32 and 28,558.26

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Solution

The fourth proportional to 52,431.66, 72,355.32 and 28,558.26 is: 39,410.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,431.66 : 72,355.32 = 28,558.26 : x
  2. Step 2: Convert to fraction form
    52,431.66/72,355.32 = 28,558.26/x
  3. Step 3: Cross multiply
    52,431.66x = 72,355.32 × 28,558.26
  4. Step 4: Simplify right side
    52,431.66x = 2,066,342,040.94
  5. Step 5: Solve for x
    x = 2,066,342,040.94/52,431.66
  6. Step 6: Final answer
    x = 39,410.20

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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.