Home / 38,336.40-52,780.80-29,828.16

Finding the Fourth Proportional to 38,336.40, 52,780.80 and 29,828.16

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Solution

The fourth proportional to 38,336.40, 52,780.80 and 29,828.16 is: 41,066.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,336.40 : 52,780.80 = 29,828.16 : x
  2. Step 2: Convert to fraction form
    38,336.40/52,780.80 = 29,828.16/x
  3. Step 3: Cross multiply
    38,336.40x = 52,780.80 × 29,828.16
  4. Step 4: Simplify right side
    38,336.40x = 1,574,354,147.33
  5. Step 5: Solve for x
    x = 1,574,354,147.33/38,336.40
  6. Step 6: Final answer
    x = 41,066.82

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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.