Home / 30,046.95-45,077.81-10,325.79

Finding the Fourth Proportional to 30,046.95, 45,077.81 and 10,325.79

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Solution

The fourth proportional to 30,046.95, 45,077.81 and 10,325.79 is: 15,491.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,046.95 : 45,077.81 = 10,325.79 : x
  2. Step 2: Convert to fraction form
    30,046.95/45,077.81 = 10,325.79/x
  3. Step 3: Cross multiply
    30,046.95x = 45,077.81 × 10,325.79
  4. Step 4: Simplify right side
    30,046.95x = 465,463,948.09
  5. Step 5: Solve for x
    x = 465,463,948.09/30,046.95
  6. Step 6: Final answer
    x = 15,491.22

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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.