Home / 51,589.22-77,405.70-28,188.32

Finding the Fourth Proportional to 51,589.22, 77,405.70 and 28,188.32

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Solution

The fourth proportional to 51,589.22, 77,405.70 and 28,188.32 is: 42,294.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,589.22 : 77,405.70 = 28,188.32 : x
  2. Step 2: Convert to fraction form
    51,589.22/77,405.70 = 28,188.32/x
  3. Step 3: Cross multiply
    51,589.22x = 77,405.70 × 28,188.32
  4. Step 4: Simplify right side
    51,589.22x = 2,181,936,641.42
  5. Step 5: Solve for x
    x = 2,181,936,641.42/51,589.22
  6. Step 6: Final answer
    x = 42,294.43

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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.