Home / 48,383.84-72,576.12-13,325.42

Finding the Fourth Proportional to 48,383.84, 72,576.12 and 13,325.42

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Solution

The fourth proportional to 48,383.84, 72,576.12 and 13,325.42 is: 19,988.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,383.84 : 72,576.12 = 13,325.42 : x
  2. Step 2: Convert to fraction form
    48,383.84/72,576.12 = 13,325.42/x
  3. Step 3: Cross multiply
    48,383.84x = 72,576.12 × 13,325.42
  4. Step 4: Simplify right side
    48,383.84x = 967,107,280.97
  5. Step 5: Solve for x
    x = 967,107,280.97/48,383.84
  6. Step 6: Final answer
    x = 19,988.23

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1.5x scale

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.