Home / 56,432.26-84,648.32-16,989.31

Finding the Fourth Proportional to 56,432.26, 84,648.32 and 16,989.31

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Solution

The fourth proportional to 56,432.26, 84,648.32 and 16,989.31 is: 25,483.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,432.26 : 84,648.32 = 16,989.31 : x
  2. Step 2: Convert to fraction form
    56,432.26/84,648.32 = 16,989.31/x
  3. Step 3: Cross multiply
    56,432.26x = 84,648.32 × 16,989.31
  4. Step 4: Simplify right side
    56,432.26x = 1,438,116,041.27
  5. Step 5: Solve for x
    x = 1,438,116,041.27/56,432.26
  6. Step 6: Final answer
    x = 25,483.94

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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.