Home / 30,132.61-45,192.43-19,024.47

Finding the Fourth Proportional to 30,132.61, 45,192.43 and 19,024.47

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Solution

The fourth proportional to 30,132.61, 45,192.43 and 19,024.47 is: 28,532.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,132.61 : 45,192.43 = 19,024.47 : x
  2. Step 2: Convert to fraction form
    30,132.61/45,192.43 = 19,024.47/x
  3. Step 3: Cross multiply
    30,132.61x = 45,192.43 × 19,024.47
  4. Step 4: Simplify right side
    30,132.61x = 859,762,052.54
  5. Step 5: Solve for x
    x = 859,762,052.54/30,132.61
  6. Step 6: Final answer
    x = 28,532.61

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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.