Home / 29,780.16-44,658.32-13,128.35

Finding the Fourth Proportional to 29,780.16, 44,658.32 and 13,128.35

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Solution

The fourth proportional to 29,780.16, 44,658.32 and 13,128.35 is: 19,687.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,780.16 : 44,658.32 = 13,128.35 : x
  2. Step 2: Convert to fraction form
    29,780.16/44,658.32 = 13,128.35/x
  3. Step 3: Cross multiply
    29,780.16x = 44,658.32 × 13,128.35
  4. Step 4: Simplify right side
    29,780.16x = 586,289,766.44
  5. Step 5: Solve for x
    x = 586,289,766.44/29,780.16
  6. Step 6: Final answer
    x = 19,687.26

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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.