Home / 38,397.91-52,987.41-21,404.01

Finding the Fourth Proportional to 38,397.91, 52,987.41 and 21,404.01

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Solution

The fourth proportional to 38,397.91, 52,987.41 and 21,404.01 is: 29,536.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,397.91 : 52,987.41 = 21,404.01 : x
  2. Step 2: Convert to fraction form
    38,397.91/52,987.41 = 21,404.01/x
  3. Step 3: Cross multiply
    38,397.91x = 52,987.41 × 21,404.01
  4. Step 4: Simplify right side
    38,397.91x = 1,134,143,053.51
  5. Step 5: Solve for x
    x = 1,134,143,053.51/38,397.91
  6. Step 6: Final answer
    x = 29,536.58

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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.