Home / 30,360.16-45,531.36-10,635.04

Finding the Fourth Proportional to 30,360.16, 45,531.36 and 10,635.04

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Solution

The fourth proportional to 30,360.16, 45,531.36 and 10,635.04 is: 15,949.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,360.16 : 45,531.36 = 10,635.04 : x
  2. Step 2: Convert to fraction form
    30,360.16/45,531.36 = 10,635.04/x
  3. Step 3: Cross multiply
    30,360.16x = 45,531.36 × 10,635.04
  4. Step 4: Simplify right side
    30,360.16x = 484,227,834.85
  5. Step 5: Solve for x
    x = 484,227,834.85/30,360.16
  6. Step 6: Final answer
    x = 15,949.45

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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.