Home / 65,890.40-90,935.26-37,600.34

Finding the Fourth Proportional to 65,890.40, 90,935.26 and 37,600.34

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Solution

The fourth proportional to 65,890.40, 90,935.26 and 37,600.34 is: 51,892.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,890.40 : 90,935.26 = 37,600.34 : x
  2. Step 2: Convert to fraction form
    65,890.40/90,935.26 = 37,600.34/x
  3. Step 3: Cross multiply
    65,890.40x = 90,935.26 × 37,600.34
  4. Step 4: Simplify right side
    65,890.40x = 3,419,196,145.31
  5. Step 5: Solve for x
    x = 3,419,196,145.31/65,890.40
  6. Step 6: Final answer
    x = 51,892.18

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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.