Home / 38,871.18-58,307.40-12,216.33

Finding the Fourth Proportional to 38,871.18, 58,307.40 and 12,216.33

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Solution

The fourth proportional to 38,871.18, 58,307.40 and 12,216.33 is: 18,324.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,871.18 : 58,307.40 = 12,216.33 : x
  2. Step 2: Convert to fraction form
    38,871.18/58,307.40 = 12,216.33/x
  3. Step 3: Cross multiply
    38,871.18x = 58,307.40 × 12,216.33
  4. Step 4: Simplify right side
    38,871.18x = 712,302,439.84
  5. Step 5: Solve for x
    x = 712,302,439.84/38,871.18
  6. Step 6: Final answer
    x = 18,324.69

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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.