Home / 51,402.09-70,943.09-30,177.26

Finding the Fourth Proportional to 51,402.09, 70,943.09 and 30,177.26

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Solution

The fourth proportional to 51,402.09, 70,943.09 and 30,177.26 is: 41,649.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,402.09 : 70,943.09 = 30,177.26 : x
  2. Step 2: Convert to fraction form
    51,402.09/70,943.09 = 30,177.26/x
  3. Step 3: Cross multiply
    51,402.09x = 70,943.09 × 30,177.26
  4. Step 4: Simplify right side
    51,402.09x = 2,140,868,002.32
  5. Step 5: Solve for x
    x = 2,140,868,002.32/51,402.09
  6. Step 6: Final answer
    x = 41,649.43

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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.