Home / 34,426.80-47,497.32-21,858.84

Finding the Fourth Proportional to 34,426.80, 47,497.32 and 21,858.84

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Solution

The fourth proportional to 34,426.80, 47,497.32 and 21,858.84 is: 30,157.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,426.80 : 47,497.32 = 21,858.84 : x
  2. Step 2: Convert to fraction form
    34,426.80/47,497.32 = 21,858.84/x
  3. Step 3: Cross multiply
    34,426.80x = 47,497.32 × 21,858.84
  4. Step 4: Simplify right side
    34,426.80x = 1,038,236,318.31
  5. Step 5: Solve for x
    x = 1,038,236,318.31/34,426.80
  6. Step 6: Final answer
    x = 30,157.79

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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.