Home / 65,857.41-90,883.50-37,177.35

Finding the Fourth Proportional to 65,857.41, 90,883.50 and 37,177.35

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Solution

The fourth proportional to 65,857.41, 90,883.50 and 37,177.35 is: 51,304.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,857.41 : 90,883.50 = 37,177.35 : x
  2. Step 2: Convert to fraction form
    65,857.41/90,883.50 = 37,177.35/x
  3. Step 3: Cross multiply
    65,857.41x = 90,883.50 × 37,177.35
  4. Step 4: Simplify right side
    65,857.41x = 3,378,807,688.73
  5. Step 5: Solve for x
    x = 3,378,807,688.73/65,857.41
  6. Step 6: Final answer
    x = 51,304.90

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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.