Home / 31,024.58-42,813.68-16,877.43

Finding the Fourth Proportional to 31,024.58, 42,813.68 and 16,877.43

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Solution

The fourth proportional to 31,024.58, 42,813.68 and 16,877.43 is: 23,290.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,024.58 : 42,813.68 = 16,877.43 : x
  2. Step 2: Convert to fraction form
    31,024.58/42,813.68 = 16,877.43/x
  3. Step 3: Cross multiply
    31,024.58x = 42,813.68 × 16,877.43
  4. Step 4: Simplify right side
    31,024.58x = 722,584,802.86
  5. Step 5: Solve for x
    x = 722,584,802.86/31,024.58
  6. Step 6: Final answer
    x = 23,290.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.