Home / 35,477.87-53,209.98-11,781.73

Finding the Fourth Proportional to 35,477.87, 53,209.98 and 11,781.73

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Solution

The fourth proportional to 35,477.87, 53,209.98 and 11,781.73 is: 17,670.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,477.87 : 53,209.98 = 11,781.73 : x
  2. Step 2: Convert to fraction form
    35,477.87/53,209.98 = 11,781.73/x
  3. Step 3: Cross multiply
    35,477.87x = 53,209.98 × 11,781.73
  4. Step 4: Simplify right side
    35,477.87x = 626,905,617.67
  5. Step 5: Solve for x
    x = 626,905,617.67/35,477.87
  6. Step 6: Final answer
    x = 17,670.33

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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.