Home / 53,931.88-80,898-16,491.80

Finding the Fourth Proportional to 53,931.88, 80,898 and 16,491.80

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Solution

The fourth proportional to 53,931.88, 80,898 and 16,491.80 is: 24,737.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,931.88 : 80,898 = 16,491.80 : x
  2. Step 2: Convert to fraction form
    53,931.88/80,898 = 16,491.80/x
  3. Step 3: Cross multiply
    53,931.88x = 80,898 × 16,491.80
  4. Step 4: Simplify right side
    53,931.88x = 1,334,153,636.40
  5. Step 5: Solve for x
    x = 1,334,153,636.40/53,931.88
  6. Step 6: Final answer
    x = 24,737.76

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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.