Home / 51,959.16-77,938.76-12,516.26

Finding the Fourth Proportional to 51,959.16, 77,938.76 and 12,516.26

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Solution

The fourth proportional to 51,959.16, 77,938.76 and 12,516.26 is: 18,774.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,959.16 : 77,938.76 = 12,516.26 : x
  2. Step 2: Convert to fraction form
    51,959.16/77,938.76 = 12,516.26/x
  3. Step 3: Cross multiply
    51,959.16x = 77,938.76 × 12,516.26
  4. Step 4: Simplify right side
    51,959.16x = 975,501,331.96
  5. Step 5: Solve for x
    x = 975,501,331.96/51,959.16
  6. Step 6: Final answer
    x = 18,774.39

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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.