Home / 38,510.57-53,128.78-23,400.83

Finding the Fourth Proportional to 38,510.57, 53,128.78 and 23,400.83

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Solution

The fourth proportional to 38,510.57, 53,128.78 and 23,400.83 is: 32,283.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,510.57 : 53,128.78 = 23,400.83 : x
  2. Step 2: Convert to fraction form
    38,510.57/53,128.78 = 23,400.83/x
  3. Step 3: Cross multiply
    38,510.57x = 53,128.78 × 23,400.83
  4. Step 4: Simplify right side
    38,510.57x = 1,243,257,623.21
  5. Step 5: Solve for x
    x = 1,243,257,623.21/38,510.57
  6. Step 6: Final answer
    x = 32,283.54

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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.