Home / 38,149.59-52,647.08-21,154.56

Finding the Fourth Proportional to 38,149.59, 52,647.08 and 21,154.56

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Solution

The fourth proportional to 38,149.59, 52,647.08 and 21,154.56 is: 29,193.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,149.59 : 52,647.08 = 21,154.56 : x
  2. Step 2: Convert to fraction form
    38,149.59/52,647.08 = 21,154.56/x
  3. Step 3: Cross multiply
    38,149.59x = 52,647.08 × 21,154.56
  4. Step 4: Simplify right side
    38,149.59x = 1,113,725,509.49
  5. Step 5: Solve for x
    x = 1,113,725,509.49/38,149.59
  6. Step 6: Final answer
    x = 29,193.64

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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.