Home / 47,090.88-65,002.47-31,180.45

Finding the Fourth Proportional to 47,090.88, 65,002.47 and 31,180.45

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Solution

The fourth proportional to 47,090.88, 65,002.47 and 31,180.45 is: 43,040.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,090.88 : 65,002.47 = 31,180.45 : x
  2. Step 2: Convert to fraction form
    47,090.88/65,002.47 = 31,180.45/x
  3. Step 3: Cross multiply
    47,090.88x = 65,002.47 × 31,180.45
  4. Step 4: Simplify right side
    47,090.88x = 2,026,806,265.71
  5. Step 5: Solve for x
    x = 2,026,806,265.71/47,090.88
  6. Step 6: Final answer
    x = 43,040.31

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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.