Home / 57,008.16-85,511.92-19,594.40

Finding the Fourth Proportional to 57,008.16, 85,511.92 and 19,594.40

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Solution

The fourth proportional to 57,008.16, 85,511.92 and 19,594.40 is: 29,391.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,008.16 : 85,511.92 = 19,594.40 : x
  2. Step 2: Convert to fraction form
    57,008.16/85,511.92 = 19,594.40/x
  3. Step 3: Cross multiply
    57,008.16x = 85,511.92 × 19,594.40
  4. Step 4: Simplify right side
    57,008.16x = 1,675,554,765.25
  5. Step 5: Solve for x
    x = 1,675,554,765.25/57,008.16
  6. Step 6: Final answer
    x = 29,391.49

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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.