Home / 47,365.55-65,385.73-31,242.36

Finding the Fourth Proportional to 47,365.55, 65,385.73 and 31,242.36

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Solution

The fourth proportional to 47,365.55, 65,385.73 and 31,242.36 is: 43,128.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,365.55 : 65,385.73 = 31,242.36 : x
  2. Step 2: Convert to fraction form
    47,365.55/65,385.73 = 31,242.36/x
  3. Step 3: Cross multiply
    47,365.55x = 65,385.73 × 31,242.36
  4. Step 4: Simplify right side
    47,365.55x = 2,042,804,515.52
  5. Step 5: Solve for x
    x = 2,042,804,515.52/47,365.55
  6. Step 6: Final answer
    x = 43,128.49

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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.