Home / 30,729.42-42,317.37-26,694.41

Finding the Fourth Proportional to 30,729.42, 42,317.37 and 26,694.41

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Solution

The fourth proportional to 30,729.42, 42,317.37 and 26,694.41 is: 36,760.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,729.42 : 42,317.37 = 26,694.41 : x
  2. Step 2: Convert to fraction form
    30,729.42/42,317.37 = 26,694.41/x
  3. Step 3: Cross multiply
    30,729.42x = 42,317.37 × 26,694.41
  4. Step 4: Simplify right side
    30,729.42x = 1,129,637,013.31
  5. Step 5: Solve for x
    x = 1,129,637,013.31/30,729.42
  6. Step 6: Final answer
    x = 36,760.77

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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.