Home / 56,351.16-84,569.55-20,846.07

Finding the Fourth Proportional to 56,351.16, 84,569.55 and 20,846.07

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Solution

The fourth proportional to 56,351.16, 84,569.55 and 20,846.07 is: 31,284.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,351.16 : 84,569.55 = 20,846.07 : x
  2. Step 2: Convert to fraction form
    56,351.16/84,569.55 = 20,846.07/x
  3. Step 3: Cross multiply
    56,351.16x = 84,569.55 × 20,846.07
  4. Step 4: Simplify right side
    56,351.16x = 1,762,942,759.17
  5. Step 5: Solve for x
    x = 1,762,942,759.17/56,351.16
  6. Step 6: Final answer
    x = 31,284.94

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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.