Home / 31,818.10-43,907.77-17,671.85

Finding the Fourth Proportional to 31,818.10, 43,907.77 and 17,671.85

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Solution

The fourth proportional to 31,818.10, 43,907.77 and 17,671.85 is: 24,386.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,818.10 : 43,907.77 = 17,671.85 : x
  2. Step 2: Convert to fraction form
    31,818.10/43,907.77 = 17,671.85/x
  3. Step 3: Cross multiply
    31,818.10x = 43,907.77 × 17,671.85
  4. Step 4: Simplify right side
    31,818.10x = 775,931,590.86
  5. Step 5: Solve for x
    x = 775,931,590.86/31,818.10
  6. Step 6: Final answer
    x = 24,386.49

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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.