Home / 52,431.46-72,356.26-28,558.60

Finding the Fourth Proportional to 52,431.46, 72,356.26 and 28,558.60

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Solution

The fourth proportional to 52,431.46, 72,356.26 and 28,558.60 is: 39,411.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,431.46 : 72,356.26 = 28,558.60 : x
  2. Step 2: Convert to fraction form
    52,431.46/72,356.26 = 28,558.60/x
  3. Step 3: Cross multiply
    52,431.46x = 72,356.26 × 28,558.60
  4. Step 4: Simplify right side
    52,431.46x = 2,066,393,486.84
  5. Step 5: Solve for x
    x = 2,066,393,486.84/52,431.46
  6. Step 6: Final answer
    x = 39,411.33

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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.