Home / 38,790.78-53,498.79-23,860.86

Finding the Fourth Proportional to 38,790.78, 53,498.79 and 23,860.86

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Solution

The fourth proportional to 38,790.78, 53,498.79 and 23,860.86 is: 32,908.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,790.78 : 53,498.79 = 23,860.86 : x
  2. Step 2: Convert to fraction form
    38,790.78/53,498.79 = 23,860.86/x
  3. Step 3: Cross multiply
    38,790.78x = 53,498.79 × 23,860.86
  4. Step 4: Simplify right side
    38,790.78x = 1,276,527,138.36
  5. Step 5: Solve for x
    x = 1,276,527,138.36/38,790.78
  6. Step 6: Final answer
    x = 32,908.00

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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.