Home / 34,121.29-47,087.48-19,783.90

Finding the Fourth Proportional to 34,121.29, 47,087.48 and 19,783.90

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Solution

The fourth proportional to 34,121.29, 47,087.48 and 19,783.90 is: 27,301.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,121.29 : 47,087.48 = 19,783.90 : x
  2. Step 2: Convert to fraction form
    34,121.29/47,087.48 = 19,783.90/x
  3. Step 3: Cross multiply
    34,121.29x = 47,087.48 × 19,783.90
  4. Step 4: Simplify right side
    34,121.29x = 931,573,995.57
  5. Step 5: Solve for x
    x = 931,573,995.57/34,121.29
  6. Step 6: Final answer
    x = 27,301.84

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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.