Home / 57,355.16-86,032.73-17,915.65

Finding the Fourth Proportional to 57,355.16, 86,032.73 and 17,915.65

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Solution

The fourth proportional to 57,355.16, 86,032.73 and 17,915.65 is: 26,873.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,355.16 : 86,032.73 = 17,915.65 : x
  2. Step 2: Convert to fraction form
    57,355.16/86,032.73 = 17,915.65/x
  3. Step 3: Cross multiply
    57,355.16x = 86,032.73 × 17,915.65
  4. Step 4: Simplify right side
    57,355.16x = 1,541,332,108.93
  5. Step 5: Solve for x
    x = 1,541,332,108.93/57,355.16
  6. Step 6: Final answer
    x = 26,873.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.