Home / 40,539,585.48-55,943,936.82-21,954,574.84

Finding the Fourth Proportional to 40,539,585.48, 55,943,936.82 and 21,954,574.84

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Solution

The fourth proportional to 40,539,585.48, 55,943,936.82 and 21,954,574.84 is: 30,296,938.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,539,585.48 : 55,943,936.82 = 21,954,574.84 : x
  2. Step 2: Convert to fraction form
    40,539,585.48/55,943,936.82 = 21,954,574.84/x
  3. Step 3: Cross multiply
    40,539,585.48x = 55,943,936.82 × 21,954,574.84
  4. Step 4: Simplify right side
    40,539,585.48x = 1,228,225,347,758,921.50
  5. Step 5: Solve for x
    x = 1,228,225,347,758,921.50/40,539,585.48
  6. Step 6: Final answer
    x = 30,296,938.98

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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.