Home / 39,246.03-54,159.75-21,340.98

Finding the Fourth Proportional to 39,246.03, 54,159.75 and 21,340.98

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Solution

The fourth proportional to 39,246.03, 54,159.75 and 21,340.98 is: 29,450.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,246.03 : 54,159.75 = 21,340.98 : x
  2. Step 2: Convert to fraction form
    39,246.03/54,159.75 = 21,340.98/x
  3. Step 3: Cross multiply
    39,246.03x = 54,159.75 × 21,340.98
  4. Step 4: Simplify right side
    39,246.03x = 1,155,822,141.56
  5. Step 5: Solve for x
    x = 1,155,822,141.56/39,246.03
  6. Step 6: Final answer
    x = 29,450.68

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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.