Home / 30,012.67-45,047.24-15,232.20

Finding the Fourth Proportional to 30,012.67, 45,047.24 and 15,232.20

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Solution

The fourth proportional to 30,012.67, 45,047.24 and 15,232.20 is: 22,862.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,012.67 : 45,047.24 = 15,232.20 : x
  2. Step 2: Convert to fraction form
    30,012.67/45,047.24 = 15,232.20/x
  3. Step 3: Cross multiply
    30,012.67x = 45,047.24 × 15,232.20
  4. Step 4: Simplify right side
    30,012.67x = 686,168,569.13
  5. Step 5: Solve for x
    x = 686,168,569.13/30,012.67
  6. Step 6: Final answer
    x = 22,862.63

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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.