Home / 51,686.40-77,480.38-16,601.46

Finding the Fourth Proportional to 51,686.40, 77,480.38 and 16,601.46

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Solution

The fourth proportional to 51,686.40, 77,480.38 and 16,601.46 is: 24,886.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,686.40 : 77,480.38 = 16,601.46 : x
  2. Step 2: Convert to fraction form
    51,686.40/77,480.38 = 16,601.46/x
  3. Step 3: Cross multiply
    51,686.40x = 77,480.38 × 16,601.46
  4. Step 4: Simplify right side
    51,686.40x = 1,286,287,429.35
  5. Step 5: Solve for x
    x = 1,286,287,429.35/51,686.40
  6. Step 6: Final answer
    x = 24,886.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.