Home / 30,298.57-45,449.93-10,299.92

Finding the Fourth Proportional to 30,298.57, 45,449.93 and 10,299.92

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Solution

The fourth proportional to 30,298.57, 45,449.93 and 10,299.92 is: 15,450.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,298.57 : 45,449.93 = 10,299.92 : x
  2. Step 2: Convert to fraction form
    30,298.57/45,449.93 = 10,299.92/x
  3. Step 3: Cross multiply
    30,298.57x = 45,449.93 × 10,299.92
  4. Step 4: Simplify right side
    30,298.57x = 468,130,826.32
  5. Step 5: Solve for x
    x = 468,130,826.32/30,298.57
  6. Step 6: Final answer
    x = 15,450.59

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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.