Home / 35,782.74-53,674.12-13,590.87

Finding the Fourth Proportional to 35,782.74, 53,674.12 and 13,590.87

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Solution

The fourth proportional to 35,782.74, 53,674.12 and 13,590.87 is: 20,386.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,782.74 : 53,674.12 = 13,590.87 : x
  2. Step 2: Convert to fraction form
    35,782.74/53,674.12 = 13,590.87/x
  3. Step 3: Cross multiply
    35,782.74x = 53,674.12 × 13,590.87
  4. Step 4: Simplify right side
    35,782.74x = 729,477,919.33
  5. Step 5: Solve for x
    x = 729,477,919.33/35,782.74
  6. Step 6: Final answer
    x = 20,386.31

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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.