Home / 30,903.34-46,240.19-18,430.15

Finding the Fourth Proportional to 30,903.34, 46,240.19 and 18,430.15

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Solution

The fourth proportional to 30,903.34, 46,240.19 and 18,430.15 is: 27,576.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,903.34 : 46,240.19 = 18,430.15 : x
  2. Step 2: Convert to fraction form
    30,903.34/46,240.19 = 18,430.15/x
  3. Step 3: Cross multiply
    30,903.34x = 46,240.19 × 18,430.15
  4. Step 4: Simplify right side
    30,903.34x = 852,213,545.58
  5. Step 5: Solve for x
    x = 852,213,545.58/30,903.34
  6. Step 6: Final answer
    x = 27,576.75

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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.