Home / 30,507.54-45,678.08-23,089.56

Finding the Fourth Proportional to 30,507.54, 45,678.08 and 23,089.56

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Solution

The fourth proportional to 30,507.54, 45,678.08 and 23,089.56 is: 34,571.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,507.54 : 45,678.08 = 23,089.56 : x
  2. Step 2: Convert to fraction form
    30,507.54/45,678.08 = 23,089.56/x
  3. Step 3: Cross multiply
    30,507.54x = 45,678.08 × 23,089.56
  4. Step 4: Simplify right side
    30,507.54x = 1,054,686,768.84
  5. Step 5: Solve for x
    x = 1,054,686,768.84/30,507.54
  6. Step 6: Final answer
    x = 34,571.35

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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.