Home / 35,779.64-53,675.64-12,087.36

Finding the Fourth Proportional to 35,779.64, 53,675.64 and 12,087.36

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Solution

The fourth proportional to 35,779.64, 53,675.64 and 12,087.36 is: 18,133.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,779.64 : 53,675.64 = 12,087.36 : x
  2. Step 2: Convert to fraction form
    35,779.64/53,675.64 = 12,087.36/x
  3. Step 3: Cross multiply
    35,779.64x = 53,675.64 × 12,087.36
  4. Step 4: Simplify right side
    35,779.64x = 648,796,783.91
  5. Step 5: Solve for x
    x = 648,796,783.91/35,779.64
  6. Step 6: Final answer
    x = 18,133.13

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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.