Home / 34,744.81-47,947.88-18,829.12

Finding the Fourth Proportional to 34,744.81, 47,947.88 and 18,829.12

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Solution

The fourth proportional to 34,744.81, 47,947.88 and 18,829.12 is: 25,984.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,744.81 : 47,947.88 = 18,829.12 : x
  2. Step 2: Convert to fraction form
    34,744.81/47,947.88 = 18,829.12/x
  3. Step 3: Cross multiply
    34,744.81x = 47,947.88 × 18,829.12
  4. Step 4: Simplify right side
    34,744.81x = 902,816,386.27
  5. Step 5: Solve for x
    x = 902,816,386.27/34,744.81
  6. Step 6: Final answer
    x = 25,984.21

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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.