Home / 34,723.04-47,917.79-18,807.60

Finding the Fourth Proportional to 34,723.04, 47,917.79 and 18,807.60

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Solution

The fourth proportional to 34,723.04, 47,917.79 and 18,807.60 is: 25,954.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,723.04 : 47,917.79 = 18,807.60 : x
  2. Step 2: Convert to fraction form
    34,723.04/47,917.79 = 18,807.60/x
  3. Step 3: Cross multiply
    34,723.04x = 47,917.79 × 18,807.60
  4. Step 4: Simplify right side
    34,723.04x = 901,218,533.17
  5. Step 5: Solve for x
    x = 901,218,533.17/34,723.04
  6. Step 6: Final answer
    x = 25,954.49

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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.