Home / 35,742.55-53,614.20-10,782.81

Finding the Fourth Proportional to 35,742.55, 53,614.20 and 10,782.81

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Solution

The fourth proportional to 35,742.55, 53,614.20 and 10,782.81 is: 16,174.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,742.55 : 53,614.20 = 10,782.81 : x
  2. Step 2: Convert to fraction form
    35,742.55/53,614.20 = 10,782.81/x
  3. Step 3: Cross multiply
    35,742.55x = 53,614.20 × 10,782.81
  4. Step 4: Simplify right side
    35,742.55x = 578,111,731.90
  5. Step 5: Solve for x
    x = 578,111,731.90/35,742.55
  6. Step 6: Final answer
    x = 16,174.33

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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.