Home / 30,411.19-45,621.14-9,352.99

Finding the Fourth Proportional to 30,411.19, 45,621.14 and 9,352.99

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Solution

The fourth proportional to 30,411.19, 45,621.14 and 9,352.99 is: 14,030.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,411.19 : 45,621.14 = 9,352.99 : x
  2. Step 2: Convert to fraction form
    30,411.19/45,621.14 = 9,352.99/x
  3. Step 3: Cross multiply
    30,411.19x = 45,621.14 × 9,352.99
  4. Step 4: Simplify right side
    30,411.19x = 426,694,066.21
  5. Step 5: Solve for x
    x = 426,694,066.21/30,411.19
  6. Step 6: Final answer
    x = 14,030.82

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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.