Home / 51,446.16-70,997.04-28,784.40

Finding the Fourth Proportional to 51,446.16, 70,997.04 and 28,784.40

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Solution

The fourth proportional to 51,446.16, 70,997.04 and 28,784.40 is: 39,723.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,446.16 : 70,997.04 = 28,784.40 : x
  2. Step 2: Convert to fraction form
    51,446.16/70,997.04 = 28,784.40/x
  3. Step 3: Cross multiply
    51,446.16x = 70,997.04 × 28,784.40
  4. Step 4: Simplify right side
    51,446.16x = 2,043,607,198.18
  5. Step 5: Solve for x
    x = 2,043,607,198.18/51,446.16
  6. Step 6: Final answer
    x = 39,723.22

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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.