Home / 30,459.75-45,578.85-25,145.34

Finding the Fourth Proportional to 30,459.75, 45,578.85 and 25,145.34

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Solution

The fourth proportional to 30,459.75, 45,578.85 and 25,145.34 is: 37,626.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,459.75 : 45,578.85 = 25,145.34 : x
  2. Step 2: Convert to fraction form
    30,459.75/45,578.85 = 25,145.34/x
  3. Step 3: Cross multiply
    30,459.75x = 45,578.85 × 25,145.34
  4. Step 4: Simplify right side
    30,459.75x = 1,146,095,680.06
  5. Step 5: Solve for x
    x = 1,146,095,680.06/30,459.75
  6. Step 6: Final answer
    x = 37,626.56

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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.