Home / 56,790.93-85,156.79-21,223.02

Finding the Fourth Proportional to 56,790.93, 85,156.79 and 21,223.02

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Solution

The fourth proportional to 56,790.93, 85,156.79 and 21,223.02 is: 31,823.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,790.93 : 85,156.79 = 21,223.02 : x
  2. Step 2: Convert to fraction form
    56,790.93/85,156.79 = 21,223.02/x
  3. Step 3: Cross multiply
    56,790.93x = 85,156.79 × 21,223.02
  4. Step 4: Simplify right side
    56,790.93x = 1,807,284,257.31
  5. Step 5: Solve for x
    x = 1,807,284,257.31/56,790.93
  6. Step 6: Final answer
    x = 31,823.47

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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.