Home / 35,779.90-53,694.45-12,406.33

Finding the Fourth Proportional to 35,779.90, 53,694.45 and 12,406.33

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Solution

The fourth proportional to 35,779.90, 53,694.45 and 12,406.33 is: 18,618.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,779.90 : 53,694.45 = 12,406.33 : x
  2. Step 2: Convert to fraction form
    35,779.90/53,694.45 = 12,406.33/x
  3. Step 3: Cross multiply
    35,779.90x = 53,694.45 × 12,406.33
  4. Step 4: Simplify right side
    35,779.90x = 666,151,065.87
  5. Step 5: Solve for x
    x = 666,151,065.87/35,779.90
  6. Step 6: Final answer
    x = 18,618.02

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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.