Home / 38,422.06-53,002.29-31,259.98

Finding the Fourth Proportional to 38,422.06, 53,002.29 and 31,259.98

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Solution

The fourth proportional to 38,422.06, 53,002.29 and 31,259.98 is: 43,122.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,422.06 : 53,002.29 = 31,259.98 : x
  2. Step 2: Convert to fraction form
    38,422.06/53,002.29 = 31,259.98/x
  3. Step 3: Cross multiply
    38,422.06x = 53,002.29 × 31,259.98
  4. Step 4: Simplify right side
    38,422.06x = 1,656,850,190.90
  5. Step 5: Solve for x
    x = 1,656,850,190.90/38,422.06
  6. Step 6: Final answer
    x = 43,122.37

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1.5x scale

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.