Home / 39,477.15-54,476.15-21,568.59

Finding the Fourth Proportional to 39,477.15, 54,476.15 and 21,568.59

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Solution

The fourth proportional to 39,477.15, 54,476.15 and 21,568.59 is: 29,763.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,477.15 : 54,476.15 = 21,568.59 : x
  2. Step 2: Convert to fraction form
    39,477.15/54,476.15 = 21,568.59/x
  3. Step 3: Cross multiply
    39,477.15x = 54,476.15 × 21,568.59
  4. Step 4: Simplify right side
    39,477.15x = 1,174,973,636.29
  5. Step 5: Solve for x
    x = 1,174,973,636.29/39,477.15
  6. Step 6: Final answer
    x = 29,763.39

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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.