Home / 31,762.40-47,580.08-19,105.17

Finding the Fourth Proportional to 31,762.40, 47,580.08 and 19,105.17

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Solution

The fourth proportional to 31,762.40, 47,580.08 and 19,105.17 is: 28,619.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,762.40 : 47,580.08 = 19,105.17 : x
  2. Step 2: Convert to fraction form
    31,762.40/47,580.08 = 19,105.17/x
  3. Step 3: Cross multiply
    31,762.40x = 47,580.08 × 19,105.17
  4. Step 4: Simplify right side
    31,762.40x = 909,025,421.49
  5. Step 5: Solve for x
    x = 909,025,421.49/31,762.40
  6. Step 6: Final answer
    x = 28,619.54

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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.