Home / 30,232.16-45,359.04-10,509.92

Finding the Fourth Proportional to 30,232.16, 45,359.04 and 10,509.92

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Solution

The fourth proportional to 30,232.16, 45,359.04 and 10,509.92 is: 15,768.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,232.16 : 45,359.04 = 10,509.92 : x
  2. Step 2: Convert to fraction form
    30,232.16/45,359.04 = 10,509.92/x
  3. Step 3: Cross multiply
    30,232.16x = 45,359.04 × 10,509.92
  4. Step 4: Simplify right side
    30,232.16x = 476,719,881.68
  5. Step 5: Solve for x
    x = 476,719,881.68/30,232.16
  6. Step 6: Final answer
    x = 15,768.63

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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.