Home / 56,422.37-84,611.67-30,112.76

Finding the Fourth Proportional to 56,422.37, 84,611.67 and 30,112.76

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Solution

The fourth proportional to 56,422.37, 84,611.67 and 30,112.76 is: 45,157.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,422.37 : 84,611.67 = 30,112.76 : x
  2. Step 2: Convert to fraction form
    56,422.37/84,611.67 = 30,112.76/x
  3. Step 3: Cross multiply
    56,422.37x = 84,611.67 × 30,112.76
  4. Step 4: Simplify right side
    56,422.37x = 2,547,890,488.85
  5. Step 5: Solve for x
    x = 2,547,890,488.85/56,422.37
  6. Step 6: Final answer
    x = 45,157.46

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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.