Home / 45,379.16-67,999.44-19,069.52

Finding the Fourth Proportional to 45,379.16, 67,999.44 and 19,069.52

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Solution

The fourth proportional to 45,379.16, 67,999.44 and 19,069.52 is: 28,575.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,379.16 : 67,999.44 = 19,069.52 : x
  2. Step 2: Convert to fraction form
    45,379.16/67,999.44 = 19,069.52/x
  3. Step 3: Cross multiply
    45,379.16x = 67,999.44 × 19,069.52
  4. Step 4: Simplify right side
    45,379.16x = 1,296,716,681.07
  5. Step 5: Solve for x
    x = 1,296,716,681.07/45,379.16
  6. Step 6: Final answer
    x = 28,575.16

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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.