Home / 30,569.07-45,857.89-28,888.32

Finding the Fourth Proportional to 30,569.07, 45,857.89 and 28,888.32

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Solution

The fourth proportional to 30,569.07, 45,857.89 and 28,888.32 is: 43,336.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,569.07 : 45,857.89 = 28,888.32 : x
  2. Step 2: Convert to fraction form
    30,569.07/45,857.89 = 28,888.32/x
  3. Step 3: Cross multiply
    30,569.07x = 45,857.89 × 28,888.32
  4. Step 4: Simplify right side
    30,569.07x = 1,324,757,400.84
  5. Step 5: Solve for x
    x = 1,324,757,400.84/30,569.07
  6. Step 6: Final answer
    x = 43,336.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.