Home / 30,934.91-46,411.56-9,876.30

Finding the Fourth Proportional to 30,934.91, 46,411.56 and 9,876.30

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Solution

The fourth proportional to 30,934.91, 46,411.56 and 9,876.30 is: 14,817.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,934.91 : 46,411.56 = 9,876.30 : x
  2. Step 2: Convert to fraction form
    30,934.91/46,411.56 = 9,876.30/x
  3. Step 3: Cross multiply
    30,934.91x = 46,411.56 × 9,876.30
  4. Step 4: Simplify right side
    30,934.91x = 458,374,490.03
  5. Step 5: Solve for x
    x = 458,374,490.03/30,934.91
  6. Step 6: Final answer
    x = 14,817.39

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1.5x scale

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.