Home / 34,287.94-47,319.83-19,185.45

Finding the Fourth Proportional to 34,287.94, 47,319.83 and 19,185.45

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Solution

The fourth proportional to 34,287.94, 47,319.83 and 19,185.45 is: 26,477.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,287.94 : 47,319.83 = 19,185.45 : x
  2. Step 2: Convert to fraction form
    34,287.94/47,319.83 = 19,185.45/x
  3. Step 3: Cross multiply
    34,287.94x = 47,319.83 × 19,185.45
  4. Step 4: Simplify right side
    34,287.94x = 907,852,232.47
  5. Step 5: Solve for x
    x = 907,852,232.47/34,287.94
  6. Step 6: Final answer
    x = 26,477.30

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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.