Home / 21,330.70-31,971.14-16,048.74

Finding the Fourth Proportional to 21,330.70, 31,971.14 and 16,048.74

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Solution

The fourth proportional to 21,330.70, 31,971.14 and 16,048.74 is: 24,054.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,330.70 : 31,971.14 = 16,048.74 : x
  2. Step 2: Convert to fraction form
    21,330.70/31,971.14 = 16,048.74/x
  3. Step 3: Cross multiply
    21,330.70x = 31,971.14 × 16,048.74
  4. Step 4: Simplify right side
    21,330.70x = 513,096,658.33
  5. Step 5: Solve for x
    x = 513,096,658.33/21,330.70
  6. Step 6: Final answer
    x = 24,054.37

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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.