Home / 30,013.54-45,027.58-8,952.72

Finding the Fourth Proportional to 30,013.54, 45,027.58 and 8,952.72

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Solution

The fourth proportional to 30,013.54, 45,027.58 and 8,952.72 is: 13,431.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,013.54 : 45,027.58 = 8,952.72 : x
  2. Step 2: Convert to fraction form
    30,013.54/45,027.58 = 8,952.72/x
  3. Step 3: Cross multiply
    30,013.54x = 45,027.58 × 8,952.72
  4. Step 4: Simplify right side
    30,013.54x = 403,119,316.02
  5. Step 5: Solve for x
    x = 403,119,316.02/30,013.54
  6. Step 6: Final answer
    x = 13,431.25

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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.