Home / 38,495.34-57,742.92-20,928.24

Finding the Fourth Proportional to 38,495.34, 57,742.92 and 20,928.24

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Solution

The fourth proportional to 38,495.34, 57,742.92 and 20,928.24 is: 31,392.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,495.34 : 57,742.92 = 20,928.24 : x
  2. Step 2: Convert to fraction form
    38,495.34/57,742.92 = 20,928.24/x
  3. Step 3: Cross multiply
    38,495.34x = 57,742.92 × 20,928.24
  4. Step 4: Simplify right side
    38,495.34x = 1,208,457,688.06
  5. Step 5: Solve for x
    x = 1,208,457,688.06/38,495.34
  6. Step 6: Final answer
    x = 31,392.31

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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.