Home / 30,250.76-41,746.56-16,639.38

Finding the Fourth Proportional to 30,250.76, 41,746.56 and 16,639.38

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Solution

The fourth proportional to 30,250.76, 41,746.56 and 16,639.38 is: 22,962.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,250.76 : 41,746.56 = 16,639.38 : x
  2. Step 2: Convert to fraction form
    30,250.76/41,746.56 = 16,639.38/x
  3. Step 3: Cross multiply
    30,250.76x = 41,746.56 × 16,639.38
  4. Step 4: Simplify right side
    30,250.76x = 694,636,875.53
  5. Step 5: Solve for x
    x = 694,636,875.53/30,250.76
  6. Step 6: Final answer
    x = 22,962.63

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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.