Home / 38,624.36-53,306.64-21,635.08

Finding the Fourth Proportional to 38,624.36, 53,306.64 and 21,635.08

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Solution

The fourth proportional to 38,624.36, 53,306.64 and 21,635.08 is: 29,859.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,624.36 : 53,306.64 = 21,635.08 : x
  2. Step 2: Convert to fraction form
    38,624.36/53,306.64 = 21,635.08/x
  3. Step 3: Cross multiply
    38,624.36x = 53,306.64 × 21,635.08
  4. Step 4: Simplify right side
    38,624.36x = 1,153,293,587.51
  5. Step 5: Solve for x
    x = 1,153,293,587.51/38,624.36
  6. Step 6: Final answer
    x = 29,859.23

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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.