Home / 31,835,035.43-43,901,139.05-20,212,420.76

Finding the Fourth Proportional to 31,835,035.43, 43,901,139.05 and 20,212,420.76

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Solution

The fourth proportional to 31,835,035.43, 43,901,139.05 and 20,212,420.76 is: 27,873,325.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,835,035.43 : 43,901,139.05 = 20,212,420.76 : x
  2. Step 2: Convert to fraction form
    31,835,035.43/43,901,139.05 = 20,212,420.76/x
  3. Step 3: Cross multiply
    31,835,035.43x = 43,901,139.05 × 20,212,420.76
  4. Step 4: Simplify right side
    31,835,035.43x = 887,348,294,102,360.88
  5. Step 5: Solve for x
    x = 887,348,294,102,360.88/31,835,035.43
  6. Step 6: Final answer
    x = 27,873,325.17

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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.