Home / 38,667.23-53,365.21-21,676.07

Finding the Fourth Proportional to 38,667.23, 53,365.21 and 21,676.07

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Solution

The fourth proportional to 38,667.23, 53,365.21 and 21,676.07 is: 29,915.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,667.23 : 53,365.21 = 21,676.07 : x
  2. Step 2: Convert to fraction form
    38,667.23/53,365.21 = 21,676.07/x
  3. Step 3: Cross multiply
    38,667.23x = 53,365.21 × 21,676.07
  4. Step 4: Simplify right side
    38,667.23x = 1,156,747,706.51
  5. Step 5: Solve for x
    x = 1,156,747,706.51/38,667.23
  6. Step 6: Final answer
    x = 29,915.45

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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.