Home / 30,305.08-45,464.88-9,528.58

Finding the Fourth Proportional to 30,305.08, 45,464.88 and 9,528.58

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Solution

The fourth proportional to 30,305.08, 45,464.88 and 9,528.58 is: 14,295.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,305.08 : 45,464.88 = 9,528.58 : x
  2. Step 2: Convert to fraction form
    30,305.08/45,464.88 = 9,528.58/x
  3. Step 3: Cross multiply
    30,305.08x = 45,464.88 × 9,528.58
  4. Step 4: Simplify right side
    30,305.08x = 433,215,746.27
  5. Step 5: Solve for x
    x = 433,215,746.27/30,305.08
  6. Step 6: Final answer
    x = 14,295.15

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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.