Home / 71,706.04-107,573.58-30,153

Finding the Fourth Proportional to 71,706.04, 107,573.58 and 30,153

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Solution

The fourth proportional to 71,706.04, 107,573.58 and 30,153 is: 45,235.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,706.04 : 107,573.58 = 30,153 : x
  2. Step 2: Convert to fraction form
    71,706.04/107,573.58 = 30,153/x
  3. Step 3: Cross multiply
    71,706.04x = 107,573.58 × 30,153
  4. Step 4: Simplify right side
    71,706.04x = 3,243,666,157.74
  5. Step 5: Solve for x
    x = 3,243,666,157.74/71,706.04
  6. Step 6: Final answer
    x = 45,235.61

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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.