Home / 56,926.37-78,555.53-31,771.01

Finding the Fourth Proportional to 56,926.37, 78,555.53 and 31,771.01

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Solution

The fourth proportional to 56,926.37, 78,555.53 and 31,771.01 is: 43,842.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,926.37 : 78,555.53 = 31,771.01 : x
  2. Step 2: Convert to fraction form
    56,926.37/78,555.53 = 31,771.01/x
  3. Step 3: Cross multiply
    56,926.37x = 78,555.53 × 31,771.01
  4. Step 4: Simplify right side
    56,926.37x = 2,495,787,977.55
  5. Step 5: Solve for x
    x = 2,495,787,977.55/56,926.37
  6. Step 6: Final answer
    x = 43,842.39

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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.