Home / 30,185.46-45,257.54-15,365.70

Finding the Fourth Proportional to 30,185.46, 45,257.54 and 15,365.70

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Solution

The fourth proportional to 30,185.46, 45,257.54 and 15,365.70 is: 23,038.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,185.46 : 45,257.54 = 15,365.70 : x
  2. Step 2: Convert to fraction form
    30,185.46/45,257.54 = 15,365.70/x
  3. Step 3: Cross multiply
    30,185.46x = 45,257.54 × 15,365.70
  4. Step 4: Simplify right side
    30,185.46x = 695,413,705.55
  5. Step 5: Solve for x
    x = 695,413,705.55/30,185.46
  6. Step 6: Final answer
    x = 23,038.04

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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.