Home / 32,780.64-45,237.26-18,634.38

Finding the Fourth Proportional to 32,780.64, 45,237.26 and 18,634.38

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Solution

The fourth proportional to 32,780.64, 45,237.26 and 18,634.38 is: 25,715.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,780.64 : 45,237.26 = 18,634.38 : x
  2. Step 2: Convert to fraction form
    32,780.64/45,237.26 = 18,634.38/x
  3. Step 3: Cross multiply
    32,780.64x = 45,237.26 × 18,634.38
  4. Step 4: Simplify right side
    32,780.64x = 842,968,293.00
  5. Step 5: Solve for x
    x = 842,968,293.00/32,780.64
  6. Step 6: Final answer
    x = 25,715.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.