Home / 34,699.41-47,885.09-18,783.78

Finding the Fourth Proportional to 34,699.41, 47,885.09 and 18,783.78

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Solution

The fourth proportional to 34,699.41, 47,885.09 and 18,783.78 is: 25,921.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,699.41 : 47,885.09 = 18,783.78 : x
  2. Step 2: Convert to fraction form
    34,699.41/47,885.09 = 18,783.78/x
  3. Step 3: Cross multiply
    34,699.41x = 47,885.09 × 18,783.78
  4. Step 4: Simplify right side
    34,699.41x = 899,462,901.92
  5. Step 5: Solve for x
    x = 899,462,901.92/34,699.41
  6. Step 6: Final answer
    x = 25,921.56

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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.