Home / 38,153.56-52,654.64-21,158.68

Finding the Fourth Proportional to 38,153.56, 52,654.64 and 21,158.68

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Solution

The fourth proportional to 38,153.56, 52,654.64 and 21,158.68 is: 29,200.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,153.56 : 52,654.64 = 21,158.68 : x
  2. Step 2: Convert to fraction form
    38,153.56/52,654.64 = 21,158.68/x
  3. Step 3: Cross multiply
    38,153.56x = 52,654.64 × 21,158.68
  4. Step 4: Simplify right side
    38,153.56x = 1,114,102,678.28
  5. Step 5: Solve for x
    x = 1,114,102,678.28/38,153.56
  6. Step 6: Final answer
    x = 29,200.49

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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.