Home / 34,721.59-47,914.89-19,615.81

Finding the Fourth Proportional to 34,721.59, 47,914.89 and 19,615.81

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Solution

The fourth proportional to 34,721.59, 47,914.89 and 19,615.81 is: 27,069.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,721.59 : 47,914.89 = 19,615.81 : x
  2. Step 2: Convert to fraction form
    34,721.59/47,914.89 = 19,615.81/x
  3. Step 3: Cross multiply
    34,721.59x = 47,914.89 × 19,615.81
  4. Step 4: Simplify right side
    34,721.59x = 939,889,138.84
  5. Step 5: Solve for x
    x = 939,889,138.84/34,721.59
  6. Step 6: Final answer
    x = 27,069.30

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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.