Home / 21,330.89-31,971.42-16,048.93

Finding the Fourth Proportional to 21,330.89, 31,971.42 and 16,048.93

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Solution

The fourth proportional to 21,330.89, 31,971.42 and 16,048.93 is: 24,054.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,330.89 : 31,971.42 = 16,048.93 : x
  2. Step 2: Convert to fraction form
    21,330.89/31,971.42 = 16,048.93/x
  3. Step 3: Cross multiply
    21,330.89x = 31,971.42 × 16,048.93
  4. Step 4: Simplify right side
    21,330.89x = 513,107,151.64
  5. Step 5: Solve for x
    x = 513,107,151.64/21,330.89
  6. Step 6: Final answer
    x = 24,054.65

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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.