Home / 30,681.78-45,932.76-23,315.64

Finding the Fourth Proportional to 30,681.78, 45,932.76 and 23,315.64

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Solution

The fourth proportional to 30,681.78, 45,932.76 and 23,315.64 is: 34,905.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,681.78 : 45,932.76 = 23,315.64 : x
  2. Step 2: Convert to fraction form
    30,681.78/45,932.76 = 23,315.64/x
  3. Step 3: Cross multiply
    30,681.78x = 45,932.76 × 23,315.64
  4. Step 4: Simplify right side
    30,681.78x = 1,070,951,696.37
  5. Step 5: Solve for x
    x = 1,070,951,696.37/30,681.78
  6. Step 6: Final answer
    x = 34,905.14

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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.