Home / 30,335.52-45,507.84-9,558.72

Finding the Fourth Proportional to 30,335.52, 45,507.84 and 9,558.72

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Solution

The fourth proportional to 30,335.52, 45,507.84 and 9,558.72 is: 14,339.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,335.52 : 45,507.84 = 9,558.72 : x
  2. Step 2: Convert to fraction form
    30,335.52/45,507.84 = 9,558.72/x
  3. Step 3: Cross multiply
    30,335.52x = 45,507.84 × 9,558.72
  4. Step 4: Simplify right side
    30,335.52x = 434,996,700.36
  5. Step 5: Solve for x
    x = 434,996,700.36/30,335.52
  6. Step 6: Final answer
    x = 14,339.52

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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.