Home / 51,435.18-77,158.98-18,148.41

Finding the Fourth Proportional to 51,435.18, 77,158.98 and 18,148.41

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Solution

The fourth proportional to 51,435.18, 77,158.98 and 18,148.41 is: 27,224.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,435.18 : 77,158.98 = 18,148.41 : x
  2. Step 2: Convert to fraction form
    51,435.18/77,158.98 = 18,148.41/x
  3. Step 3: Cross multiply
    51,435.18x = 77,158.98 × 18,148.41
  4. Step 4: Simplify right side
    51,435.18x = 1,400,312,804.22
  5. Step 5: Solve for x
    x = 1,400,312,804.22/51,435.18
  6. Step 6: Final answer
    x = 27,224.81

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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.