Home / 31,011,933.40-42,784,989.06-30,964,104.52

Finding the Fourth Proportional to 31,011,933.40, 42,784,989.06 and 30,964,104.52

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Solution

The fourth proportional to 31,011,933.40, 42,784,989.06 and 30,964,104.52 is: 42,719,002.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,011,933.40 : 42,784,989.06 = 30,964,104.52 : x
  2. Step 2: Convert to fraction form
    31,011,933.40/42,784,989.06 = 30,964,104.52/x
  3. Step 3: Cross multiply
    31,011,933.40x = 42,784,989.06 × 30,964,104.52
  4. Step 4: Simplify right side
    31,011,933.40x = 1,324,798,873,140,896.50
  5. Step 5: Solve for x
    x = 1,324,798,873,140,896.50/31,011,933.40
  6. Step 6: Final answer
    x = 42,719,002.91

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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.