Home / 30,349.98-45,529.56-9,285.12

Finding the Fourth Proportional to 30,349.98, 45,529.56 and 9,285.12

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Solution

The fourth proportional to 30,349.98, 45,529.56 and 9,285.12 is: 13,929.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,349.98 : 45,529.56 = 9,285.12 : x
  2. Step 2: Convert to fraction form
    30,349.98/45,529.56 = 9,285.12/x
  3. Step 3: Cross multiply
    30,349.98x = 45,529.56 × 9,285.12
  4. Step 4: Simplify right side
    30,349.98x = 422,747,428.15
  5. Step 5: Solve for x
    x = 422,747,428.15/30,349.98
  6. Step 6: Final answer
    x = 13,929.08

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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.