Home / 34,687.37-47,868.65-18,771.93

Finding the Fourth Proportional to 34,687.37, 47,868.65 and 18,771.93

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Solution

The fourth proportional to 34,687.37, 47,868.65 and 18,771.93 is: 25,905.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,687.37 : 47,868.65 = 18,771.93 : x
  2. Step 2: Convert to fraction form
    34,687.37/47,868.65 = 18,771.93/x
  3. Step 3: Cross multiply
    34,687.37x = 47,868.65 × 18,771.93
  4. Step 4: Simplify right side
    34,687.37x = 898,586,923.53
  5. Step 5: Solve for x
    x = 898,586,923.53/34,687.37
  6. Step 6: Final answer
    x = 25,905.31

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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.