Home / 39,246.08-54,159.32-21,341.08

Finding the Fourth Proportional to 39,246.08, 54,159.32 and 21,341.08

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Solution

The fourth proportional to 39,246.08, 54,159.32 and 21,341.08 is: 29,450.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,246.08 : 54,159.32 = 21,341.08 : x
  2. Step 2: Convert to fraction form
    39,246.08/54,159.32 = 21,341.08/x
  3. Step 3: Cross multiply
    39,246.08x = 54,159.32 × 21,341.08
  4. Step 4: Simplify right side
    39,246.08x = 1,155,818,380.87
  5. Step 5: Solve for x
    x = 1,155,818,380.87/39,246.08
  6. Step 6: Final answer
    x = 29,450.54

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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.