Home / 52,431.53-72,356.36-28,558.22

Finding the Fourth Proportional to 52,431.53, 72,356.36 and 28,558.22

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Solution

The fourth proportional to 52,431.53, 72,356.36 and 28,558.22 is: 39,410.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,431.53 : 72,356.36 = 28,558.22 : x
  2. Step 2: Convert to fraction form
    52,431.53/72,356.36 = 28,558.22/x
  3. Step 3: Cross multiply
    52,431.53x = 72,356.36 × 28,558.22
  4. Step 4: Simplify right side
    52,431.53x = 2,066,368,342.71
  5. Step 5: Solve for x
    x = 2,066,368,342.71/52,431.53
  6. Step 6: Final answer
    x = 39,410.80

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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.