Home / 30,448.19-45,672.29-10,722.06

Finding the Fourth Proportional to 30,448.19, 45,672.29 and 10,722.06

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Solution

The fourth proportional to 30,448.19, 45,672.29 and 10,722.06 is: 16,083.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,448.19 : 45,672.29 = 10,722.06 : x
  2. Step 2: Convert to fraction form
    30,448.19/45,672.29 = 10,722.06/x
  3. Step 3: Cross multiply
    30,448.19x = 45,672.29 × 10,722.06
  4. Step 4: Simplify right side
    30,448.19x = 489,700,980.11
  5. Step 5: Solve for x
    x = 489,700,980.11/30,448.19
  6. Step 6: Final answer
    x = 16,083.09

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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.