Home / 38,853.64-53,635.38-29,897.80

Finding the Fourth Proportional to 38,853.64, 53,635.38 and 29,897.80

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Solution

The fourth proportional to 38,853.64, 53,635.38 and 29,897.80 is: 41,272.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,853.64 : 53,635.38 = 29,897.80 : x
  2. Step 2: Convert to fraction form
    38,853.64/53,635.38 = 29,897.80/x
  3. Step 3: Cross multiply
    38,853.64x = 53,635.38 × 29,897.80
  4. Step 4: Simplify right side
    38,853.64x = 1,603,579,864.16
  5. Step 5: Solve for x
    x = 1,603,579,864.16/38,853.64
  6. Step 6: Final answer
    x = 41,272.32

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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.