Home / 38,777.91-58,172.34-13,810.58

Finding the Fourth Proportional to 38,777.91, 58,172.34 and 13,810.58

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Solution

The fourth proportional to 38,777.91, 58,172.34 and 13,810.58 is: 20,717.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,777.91 : 58,172.34 = 13,810.58 : x
  2. Step 2: Convert to fraction form
    38,777.91/58,172.34 = 13,810.58/x
  3. Step 3: Cross multiply
    38,777.91x = 58,172.34 × 13,810.58
  4. Step 4: Simplify right side
    38,777.91x = 803,393,512.56
  5. Step 5: Solve for x
    x = 803,393,512.56/38,777.91
  6. Step 6: Final answer
    x = 20,717.81

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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.