Home / 34,699.89-47,885.80-18,784.34

Finding the Fourth Proportional to 34,699.89, 47,885.80 and 18,784.34

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Solution

The fourth proportional to 34,699.89, 47,885.80 and 18,784.34 is: 25,922.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,699.89 : 47,885.80 = 18,784.34 : x
  2. Step 2: Convert to fraction form
    34,699.89/47,885.80 = 18,784.34/x
  3. Step 3: Cross multiply
    34,699.89x = 47,885.80 × 18,784.34
  4. Step 4: Simplify right side
    34,699.89x = 899,503,076.77
  5. Step 5: Solve for x
    x = 899,503,076.77/34,699.89
  6. Step 6: Final answer
    x = 25,922.36

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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.