Home / 35,356.52-53,027.31-10,389.79

Finding the Fourth Proportional to 35,356.52, 53,027.31 and 10,389.79

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Solution

The fourth proportional to 35,356.52, 53,027.31 and 10,389.79 is: 15,582.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,356.52 : 53,027.31 = 10,389.79 : x
  2. Step 2: Convert to fraction form
    35,356.52/53,027.31 = 10,389.79/x
  3. Step 3: Cross multiply
    35,356.52x = 53,027.31 × 10,389.79
  4. Step 4: Simplify right side
    35,356.52x = 550,942,482.60
  5. Step 5: Solve for x
    x = 550,942,482.60/35,356.52
  6. Step 6: Final answer
    x = 15,582.49

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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.