Home / 31,541.30-47,254.54-18,353.68

Finding the Fourth Proportional to 31,541.30, 47,254.54 and 18,353.68

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Solution

The fourth proportional to 31,541.30, 47,254.54 and 18,353.68 is: 27,497.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,541.30 : 47,254.54 = 18,353.68 : x
  2. Step 2: Convert to fraction form
    31,541.30/47,254.54 = 18,353.68/x
  3. Step 3: Cross multiply
    31,541.30x = 47,254.54 × 18,353.68
  4. Step 4: Simplify right side
    31,541.30x = 867,294,705.71
  5. Step 5: Solve for x
    x = 867,294,705.71/31,541.30
  6. Step 6: Final answer
    x = 27,497.11

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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.