Home / 31,431.54-47,178.30-23,088.14

Finding the Fourth Proportional to 31,431.54, 47,178.30 and 23,088.14

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Solution

The fourth proportional to 31,431.54, 47,178.30 and 23,088.14 is: 34,654.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,431.54 : 47,178.30 = 23,088.14 : x
  2. Step 2: Convert to fraction form
    31,431.54/47,178.30 = 23,088.14/x
  3. Step 3: Cross multiply
    31,431.54x = 47,178.30 × 23,088.14
  4. Step 4: Simplify right side
    31,431.54x = 1,089,258,959.47
  5. Step 5: Solve for x
    x = 1,089,258,959.47/31,431.54
  6. Step 6: Final answer
    x = 34,654.97

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1.5x scale

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.