Home / 56,409.85-77,846.60-30,914.53

Finding the Fourth Proportional to 56,409.85, 77,846.60 and 30,914.53

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Solution

The fourth proportional to 56,409.85, 77,846.60 and 30,914.53 is: 42,662.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,409.85 : 77,846.60 = 30,914.53 : x
  2. Step 2: Convert to fraction form
    56,409.85/77,846.60 = 30,914.53/x
  3. Step 3: Cross multiply
    56,409.85x = 77,846.60 × 30,914.53
  4. Step 4: Simplify right side
    56,409.85x = 2,406,590,933.77
  5. Step 5: Solve for x
    x = 2,406,590,933.77/56,409.85
  6. Step 6: Final answer
    x = 42,662.60

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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.