Home / 38,899.51-58,311.33-21,114.07

Finding the Fourth Proportional to 38,899.51, 58,311.33 and 21,114.07

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Solution

The fourth proportional to 38,899.51, 58,311.33 and 21,114.07 is: 31,650.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,899.51 : 58,311.33 = 21,114.07 : x
  2. Step 2: Convert to fraction form
    38,899.51/58,311.33 = 21,114.07/x
  3. Step 3: Cross multiply
    38,899.51x = 58,311.33 × 21,114.07
  4. Step 4: Simplify right side
    38,899.51x = 1,231,189,503.41
  5. Step 5: Solve for x
    x = 1,231,189,503.41/38,899.51
  6. Step 6: Final answer
    x = 31,650.51

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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.