Home / 38,330.90-52,896.23-21,334.89

Finding the Fourth Proportional to 38,330.90, 52,896.23 and 21,334.89

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Solution

The fourth proportional to 38,330.90, 52,896.23 and 21,334.89 is: 29,441.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,330.90 : 52,896.23 = 21,334.89 : x
  2. Step 2: Convert to fraction form
    38,330.90/52,896.23 = 21,334.89/x
  3. Step 3: Cross multiply
    38,330.90x = 52,896.23 × 21,334.89
  4. Step 4: Simplify right side
    38,330.90x = 1,128,535,141.79
  5. Step 5: Solve for x
    x = 1,128,535,141.79/38,330.90
  6. Step 6: Final answer
    x = 29,441.92

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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.