Home / 48,582.68-72,915.56-19,021.28

Finding the Fourth Proportional to 48,582.68, 72,915.56 and 19,021.28

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Solution

The fourth proportional to 48,582.68, 72,915.56 and 19,021.28 is: 28,548.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,582.68 : 72,915.56 = 19,021.28 : x
  2. Step 2: Convert to fraction form
    48,582.68/72,915.56 = 19,021.28/x
  3. Step 3: Cross multiply
    48,582.68x = 72,915.56 × 19,021.28
  4. Step 4: Simplify right side
    48,582.68x = 1,386,946,823.43
  5. Step 5: Solve for x
    x = 1,386,946,823.43/48,582.68
  6. Step 6: Final answer
    x = 28,548.18

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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.