Home / 35,782.71-53,688.93-18,003.88

Finding the Fourth Proportional to 35,782.71, 53,688.93 and 18,003.88

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Solution

The fourth proportional to 35,782.71, 53,688.93 and 18,003.88 is: 27,013.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,782.71 : 53,688.93 = 18,003.88 : x
  2. Step 2: Convert to fraction form
    35,782.71/53,688.93 = 18,003.88/x
  3. Step 3: Cross multiply
    35,782.71x = 53,688.93 × 18,003.88
  4. Step 4: Simplify right side
    35,782.71x = 966,608,901.64
  5. Step 5: Solve for x
    x = 966,608,901.64/35,782.71
  6. Step 6: Final answer
    x = 27,013.29

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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.