Home / 30,070.62-45,131.04-19,545.48

Finding the Fourth Proportional to 30,070.62, 45,131.04 and 19,545.48

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Solution

The fourth proportional to 30,070.62, 45,131.04 and 19,545.48 is: 29,334.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,070.62 : 45,131.04 = 19,545.48 : x
  2. Step 2: Convert to fraction form
    30,070.62/45,131.04 = 19,545.48/x
  3. Step 3: Cross multiply
    30,070.62x = 45,131.04 × 19,545.48
  4. Step 4: Simplify right side
    30,070.62x = 882,107,839.70
  5. Step 5: Solve for x
    x = 882,107,839.70/30,070.62
  6. Step 6: Final answer
    x = 29,334.54

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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.