Home / 45,298.26-67,955.55-18,639.54

Finding the Fourth Proportional to 45,298.26, 67,955.55 and 18,639.54

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Solution

The fourth proportional to 45,298.26, 67,955.55 and 18,639.54 is: 27,962.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,298.26 : 67,955.55 = 18,639.54 : x
  2. Step 2: Convert to fraction form
    45,298.26/67,955.55 = 18,639.54/x
  3. Step 3: Cross multiply
    45,298.26x = 67,955.55 × 18,639.54
  4. Step 4: Simplify right side
    45,298.26x = 1,266,660,192.45
  5. Step 5: Solve for x
    x = 1,266,660,192.45/45,298.26
  6. Step 6: Final answer
    x = 27,962.67

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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.