Home / 51,261.48-76,895.87-15,718.19

Finding the Fourth Proportional to 51,261.48, 76,895.87 and 15,718.19

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Solution

The fourth proportional to 51,261.48, 76,895.87 and 15,718.19 is: 23,578.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,261.48 : 76,895.87 = 15,718.19 : x
  2. Step 2: Convert to fraction form
    51,261.48/76,895.87 = 15,718.19/x
  3. Step 3: Cross multiply
    51,261.48x = 76,895.87 × 15,718.19
  4. Step 4: Simplify right side
    51,261.48x = 1,208,663,431.81
  5. Step 5: Solve for x
    x = 1,208,663,431.81/51,261.48
  6. Step 6: Final answer
    x = 23,578.40

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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.