Home / 30,349.56-45,529.54-9,289.08

Finding the Fourth Proportional to 30,349.56, 45,529.54 and 9,289.08

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Solution

The fourth proportional to 30,349.56, 45,529.54 and 9,289.08 is: 13,935.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,349.56 : 45,529.54 = 9,289.08 : x
  2. Step 2: Convert to fraction form
    30,349.56/45,529.54 = 9,289.08/x
  3. Step 3: Cross multiply
    30,349.56x = 45,529.54 × 9,289.08
  4. Step 4: Simplify right side
    30,349.56x = 422,927,568.45
  5. Step 5: Solve for x
    x = 422,927,568.45/30,349.56
  6. Step 6: Final answer
    x = 13,935.21

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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.