Home / 42,684.98-64,027.26-17,724.42

Finding the Fourth Proportional to 42,684.98, 64,027.26 and 17,724.42

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Solution

The fourth proportional to 42,684.98, 64,027.26 and 17,724.42 is: 26,586.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,684.98 : 64,027.26 = 17,724.42 : x
  2. Step 2: Convert to fraction form
    42,684.98/64,027.26 = 17,724.42/x
  3. Step 3: Cross multiply
    42,684.98x = 64,027.26 × 17,724.42
  4. Step 4: Simplify right side
    42,684.98x = 1,134,846,047.69
  5. Step 5: Solve for x
    x = 1,134,846,047.69/42,684.98
  6. Step 6: Final answer
    x = 26,586.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.