Home / 34,780.23-47,996.79-18,864.74

Finding the Fourth Proportional to 34,780.23, 47,996.79 and 18,864.74

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Solution

The fourth proportional to 34,780.23, 47,996.79 and 18,864.74 is: 26,033.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,780.23 : 47,996.79 = 18,864.74 : x
  2. Step 2: Convert to fraction form
    34,780.23/47,996.79 = 18,864.74/x
  3. Step 3: Cross multiply
    34,780.23x = 47,996.79 × 18,864.74
  4. Step 4: Simplify right side
    34,780.23x = 905,447,013.43
  5. Step 5: Solve for x
    x = 905,447,013.43/34,780.23
  6. Step 6: Final answer
    x = 26,033.38

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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.