Home / 52,913.40-79,354.26-21,313.32

Finding the Fourth Proportional to 52,913.40, 79,354.26 and 21,313.32

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Solution

The fourth proportional to 52,913.40, 79,354.26 and 21,313.32 is: 31,963.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,913.40 : 79,354.26 = 21,313.32 : x
  2. Step 2: Convert to fraction form
    52,913.40/79,354.26 = 21,313.32/x
  3. Step 3: Cross multiply
    52,913.40x = 79,354.26 × 21,313.32
  4. Step 4: Simplify right side
    52,913.40x = 1,691,302,736.74
  5. Step 5: Solve for x
    x = 1,691,302,736.74/52,913.40
  6. Step 6: Final answer
    x = 31,963.60

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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.