Home / 45,017.69-67,544.72-20,040.68

Finding the Fourth Proportional to 45,017.69, 67,544.72 and 20,040.68

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Solution

The fourth proportional to 45,017.69, 67,544.72 and 20,040.68 is: 30,069.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,017.69 : 67,544.72 = 20,040.68 : x
  2. Step 2: Convert to fraction form
    45,017.69/67,544.72 = 20,040.68/x
  3. Step 3: Cross multiply
    45,017.69x = 67,544.72 × 20,040.68
  4. Step 4: Simplify right side
    45,017.69x = 1,353,641,681.28
  5. Step 5: Solve for x
    x = 1,353,641,681.28/45,017.69
  6. Step 6: Final answer
    x = 30,069.11

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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.