Home / 51,043.18-76,568.41-13,603.06

Finding the Fourth Proportional to 51,043.18, 76,568.41 and 13,603.06

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Solution

The fourth proportional to 51,043.18, 76,568.41 and 13,603.06 is: 20,405.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,043.18 : 76,568.41 = 13,603.06 : x
  2. Step 2: Convert to fraction form
    51,043.18/76,568.41 = 13,603.06/x
  3. Step 3: Cross multiply
    51,043.18x = 76,568.41 × 13,603.06
  4. Step 4: Simplify right side
    51,043.18x = 1,041,564,395.61
  5. Step 5: Solve for x
    x = 1,041,564,395.61/51,043.18
  6. Step 6: Final answer
    x = 20,405.55

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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.