Home / 52,190.46-72,023.04-28,317.60

Finding the Fourth Proportional to 52,190.46, 72,023.04 and 28,317.60

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Solution

The fourth proportional to 52,190.46, 72,023.04 and 28,317.60 is: 39,078.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,190.46 : 72,023.04 = 28,317.60 : x
  2. Step 2: Convert to fraction form
    52,190.46/72,023.04 = 28,317.60/x
  3. Step 3: Cross multiply
    52,190.46x = 72,023.04 × 28,317.60
  4. Step 4: Simplify right side
    52,190.46x = 2,039,519,637.50
  5. Step 5: Solve for x
    x = 2,039,519,637.50/52,190.46
  6. Step 6: Final answer
    x = 39,078.40

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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.