Home / 38,435.40-57,653.10-17,658.90

Finding the Fourth Proportional to 38,435.40, 57,653.10 and 17,658.90

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Solution

The fourth proportional to 38,435.40, 57,653.10 and 17,658.90 is: 26,488.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,435.40 : 57,653.10 = 17,658.90 : x
  2. Step 2: Convert to fraction form
    38,435.40/57,653.10 = 17,658.90/x
  3. Step 3: Cross multiply
    38,435.40x = 57,653.10 × 17,658.90
  4. Step 4: Simplify right side
    38,435.40x = 1,018,090,327.59
  5. Step 5: Solve for x
    x = 1,018,090,327.59/38,435.40
  6. Step 6: Final answer
    x = 26,488.35

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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.