Home / 34,690.25-52,037.81-13,913.75

Finding the Fourth Proportional to 34,690.25, 52,037.81 and 13,913.75

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Solution

The fourth proportional to 34,690.25, 52,037.81 and 13,913.75 is: 20,871.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,690.25 : 52,037.81 = 13,913.75 : x
  2. Step 2: Convert to fraction form
    34,690.25/52,037.81 = 13,913.75/x
  3. Step 3: Cross multiply
    34,690.25x = 52,037.81 × 13,913.75
  4. Step 4: Simplify right side
    34,690.25x = 724,041,078.89
  5. Step 5: Solve for x
    x = 724,041,078.89/34,690.25
  6. Step 6: Final answer
    x = 20,871.60

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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.