Home / 34,539.68-47,662.80-19,432.98

Finding the Fourth Proportional to 34,539.68, 47,662.80 and 19,432.98

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Solution

The fourth proportional to 34,539.68, 47,662.80 and 19,432.98 is: 26,816.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,539.68 : 47,662.80 = 19,432.98 : x
  2. Step 2: Convert to fraction form
    34,539.68/47,662.80 = 19,432.98/x
  3. Step 3: Cross multiply
    34,539.68x = 47,662.80 × 19,432.98
  4. Step 4: Simplify right side
    34,539.68x = 926,230,239.14
  5. Step 5: Solve for x
    x = 926,230,239.14/34,539.68
  6. Step 6: Final answer
    x = 26,816.41

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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.