Home / 35,518.58-53,263.95-13,319.85

Finding the Fourth Proportional to 35,518.58, 53,263.95 and 13,319.85

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Solution

The fourth proportional to 35,518.58, 53,263.95 and 13,319.85 is: 19,974.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,518.58 : 53,263.95 = 13,319.85 : x
  2. Step 2: Convert to fraction form
    35,518.58/53,263.95 = 13,319.85/x
  3. Step 3: Cross multiply
    35,518.58x = 53,263.95 × 13,319.85
  4. Step 4: Simplify right side
    35,518.58x = 709,467,974.20
  5. Step 5: Solve for x
    x = 709,467,974.20/35,518.58
  6. Step 6: Final answer
    x = 19,974.56

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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.