Home / 35,543.30-53,303.40-11,845.80

Finding the Fourth Proportional to 35,543.30, 53,303.40 and 11,845.80

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Solution

The fourth proportional to 35,543.30, 53,303.40 and 11,845.80 is: 17,764.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,543.30 : 53,303.40 = 11,845.80 : x
  2. Step 2: Convert to fraction form
    35,543.30/53,303.40 = 11,845.80/x
  3. Step 3: Cross multiply
    35,543.30x = 53,303.40 × 11,845.80
  4. Step 4: Simplify right side
    35,543.30x = 631,421,415.72
  5. Step 5: Solve for x
    x = 631,421,415.72/35,543.30
  6. Step 6: Final answer
    x = 17,764.85

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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.