Home / 50,931.22-70,281.75-28,269.12

Finding the Fourth Proportional to 50,931.22, 70,281.75 and 28,269.12

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Solution

The fourth proportional to 50,931.22, 70,281.75 and 28,269.12 is: 39,009.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,931.22 : 70,281.75 = 28,269.12 : x
  2. Step 2: Convert to fraction form
    50,931.22/70,281.75 = 28,269.12/x
  3. Step 3: Cross multiply
    50,931.22x = 70,281.75 × 28,269.12
  4. Step 4: Simplify right side
    50,931.22x = 1,986,803,224.56
  5. Step 5: Solve for x
    x = 1,986,803,224.56/50,931.22
  6. Step 6: Final answer
    x = 39,009.54

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.