Home / 50,518.69-69,702.12-28,714.66

Finding the Fourth Proportional to 50,518.69, 69,702.12 and 28,714.66

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Solution

The fourth proportional to 50,518.69, 69,702.12 and 28,714.66 is: 39,618.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,518.69 : 69,702.12 = 28,714.66 : x
  2. Step 2: Convert to fraction form
    50,518.69/69,702.12 = 28,714.66/x
  3. Step 3: Cross multiply
    50,518.69x = 69,702.12 × 28,714.66
  4. Step 4: Simplify right side
    50,518.69x = 2,001,472,677.08
  5. Step 5: Solve for x
    x = 2,001,472,677.08/50,518.69
  6. Step 6: Final answer
    x = 39,618.46

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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.