Home / 38,142.80-52,628.48-23,037.92

Finding the Fourth Proportional to 38,142.80, 52,628.48 and 23,037.92

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Solution

The fourth proportional to 38,142.80, 52,628.48 and 23,037.92 is: 31,787.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,142.80 : 52,628.48 = 23,037.92 : x
  2. Step 2: Convert to fraction form
    38,142.80/52,628.48 = 23,037.92/x
  3. Step 3: Cross multiply
    38,142.80x = 52,628.48 × 23,037.92
  4. Step 4: Simplify right side
    38,142.80x = 1,212,450,711.96
  5. Step 5: Solve for x
    x = 1,212,450,711.96/38,142.80
  6. Step 6: Final answer
    x = 31,787.14

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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.