Home / 45,999.40-63,467.64-28,087.86

Finding the Fourth Proportional to 45,999.40, 63,467.64 and 28,087.86

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Solution

The fourth proportional to 45,999.40, 63,467.64 and 28,087.86 is: 38,754.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,999.40 : 63,467.64 = 28,087.86 : x
  2. Step 2: Convert to fraction form
    45,999.40/63,467.64 = 28,087.86/x
  3. Step 3: Cross multiply
    45,999.40x = 63,467.64 × 28,087.86
  4. Step 4: Simplify right side
    45,999.40x = 1,782,670,186.85
  5. Step 5: Solve for x
    x = 1,782,670,186.85/45,999.40
  6. Step 6: Final answer
    x = 38,754.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.