Home / 38,005.10-57,007.65-10,303.10

Finding the Fourth Proportional to 38,005.10, 57,007.65 and 10,303.10

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Solution

The fourth proportional to 38,005.10, 57,007.65 and 10,303.10 is: 15,454.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,005.10 : 57,007.65 = 10,303.10 : x
  2. Step 2: Convert to fraction form
    38,005.10/57,007.65 = 10,303.10/x
  3. Step 3: Cross multiply
    38,005.10x = 57,007.65 × 10,303.10
  4. Step 4: Simplify right side
    38,005.10x = 587,355,518.72
  5. Step 5: Solve for x
    x = 587,355,518.72/38,005.10
  6. Step 6: Final answer
    x = 15,454.65

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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.