Home / 56,604.22-78,114.54-31,113.37

Finding the Fourth Proportional to 56,604.22, 78,114.54 and 31,113.37

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Solution

The fourth proportional to 56,604.22, 78,114.54 and 31,113.37 is: 42,936.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,604.22 : 78,114.54 = 31,113.37 : x
  2. Step 2: Convert to fraction form
    56,604.22/78,114.54 = 31,113.37/x
  3. Step 3: Cross multiply
    56,604.22x = 78,114.54 × 31,113.37
  4. Step 4: Simplify right side
    56,604.22x = 2,430,406,585.40
  5. Step 5: Solve for x
    x = 2,430,406,585.40/56,604.22
  6. Step 6: Final answer
    x = 42,936.84

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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.