Home / 38,912.16-58,368.24-12,619.56

Finding the Fourth Proportional to 38,912.16, 58,368.24 and 12,619.56

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Solution

The fourth proportional to 38,912.16, 58,368.24 and 12,619.56 is: 18,929.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,912.16 : 58,368.24 = 12,619.56 : x
  2. Step 2: Convert to fraction form
    38,912.16/58,368.24 = 12,619.56/x
  3. Step 3: Cross multiply
    38,912.16x = 58,368.24 × 12,619.56
  4. Step 4: Simplify right side
    38,912.16x = 736,581,506.77
  5. Step 5: Solve for x
    x = 736,581,506.77/38,912.16
  6. Step 6: Final answer
    x = 18,929.34

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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.