Home / 39,246.56-54,159.92-21,341.40

Finding the Fourth Proportional to 39,246.56, 54,159.92 and 21,341.40

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Solution

The fourth proportional to 39,246.56, 54,159.92 and 21,341.40 is: 29,450.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,246.56 : 54,159.92 = 21,341.40 : x
  2. Step 2: Convert to fraction form
    39,246.56/54,159.92 = 21,341.40/x
  3. Step 3: Cross multiply
    39,246.56x = 54,159.92 × 21,341.40
  4. Step 4: Simplify right side
    39,246.56x = 1,155,848,516.69
  5. Step 5: Solve for x
    x = 1,155,848,516.69/39,246.56
  6. Step 6: Final answer
    x = 29,450.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.