Home / 30,021.87-44,983.47-10,289.65

Finding the Fourth Proportional to 30,021.87, 44,983.47 and 10,289.65

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Solution

The fourth proportional to 30,021.87, 44,983.47 and 10,289.65 is: 15,417.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,021.87 : 44,983.47 = 10,289.65 : x
  2. Step 2: Convert to fraction form
    30,021.87/44,983.47 = 10,289.65/x
  3. Step 3: Cross multiply
    30,021.87x = 44,983.47 × 10,289.65
  4. Step 4: Simplify right side
    30,021.87x = 462,864,162.09
  5. Step 5: Solve for x
    x = 462,864,162.09/30,021.87
  6. Step 6: Final answer
    x = 15,417.57

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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.