Home / 30,025.08-45,042.48-10,304.28

Finding the Fourth Proportional to 30,025.08, 45,042.48 and 10,304.28

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Solution

The fourth proportional to 30,025.08, 45,042.48 and 10,304.28 is: 15,458.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,025.08 : 45,042.48 = 10,304.28 : x
  2. Step 2: Convert to fraction form
    30,025.08/45,042.48 = 10,304.28/x
  3. Step 3: Cross multiply
    30,025.08x = 45,042.48 × 10,304.28
  4. Step 4: Simplify right side
    30,025.08x = 464,130,325.81
  5. Step 5: Solve for x
    x = 464,130,325.81/30,025.08
  6. Step 6: Final answer
    x = 15,458.09

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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.