Home / 38,981.48-58,393.28-30,622.35

Finding the Fourth Proportional to 38,981.48, 58,393.28 and 30,622.35

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Solution

The fourth proportional to 38,981.48, 58,393.28 and 30,622.35 is: 45,871.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,981.48 : 58,393.28 = 30,622.35 : x
  2. Step 2: Convert to fraction form
    38,981.48/58,393.28 = 30,622.35/x
  3. Step 3: Cross multiply
    38,981.48x = 58,393.28 × 30,622.35
  4. Step 4: Simplify right side
    38,981.48x = 1,788,139,304.70
  5. Step 5: Solve for x
    x = 1,788,139,304.70/38,981.48
  6. Step 6: Final answer
    x = 45,871.51

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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.