Home / 34,623.43-47,780.36-18,707.88

Finding the Fourth Proportional to 34,623.43, 47,780.36 and 18,707.88

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Solution

The fourth proportional to 34,623.43, 47,780.36 and 18,707.88 is: 25,816.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,623.43 : 47,780.36 = 18,707.88 : x
  2. Step 2: Convert to fraction form
    34,623.43/47,780.36 = 18,707.88/x
  3. Step 3: Cross multiply
    34,623.43x = 47,780.36 × 18,707.88
  4. Step 4: Simplify right side
    34,623.43x = 893,869,241.24
  5. Step 5: Solve for x
    x = 893,869,241.24/34,623.43
  6. Step 6: Final answer
    x = 25,816.89

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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.