Home / 35,719.64-53,575.69-14,661.90

Finding the Fourth Proportional to 35,719.64, 53,575.69 and 14,661.90

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Solution

The fourth proportional to 35,719.64, 53,575.69 and 14,661.90 is: 21,991.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,719.64 : 53,575.69 = 14,661.90 : x
  2. Step 2: Convert to fraction form
    35,719.64/53,575.69 = 14,661.90/x
  3. Step 3: Cross multiply
    35,719.64x = 53,575.69 × 14,661.90
  4. Step 4: Simplify right side
    35,719.64x = 785,521,409.21
  5. Step 5: Solve for x
    x = 785,521,409.21/35,719.64
  6. Step 6: Final answer
    x = 21,991.30

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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.