Home / 30,151.98-41,612.28-16,727.56

Finding the Fourth Proportional to 30,151.98, 41,612.28 and 16,727.56

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Solution

The fourth proportional to 30,151.98, 41,612.28 and 16,727.56 is: 23,085.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,151.98 : 41,612.28 = 16,727.56 : x
  2. Step 2: Convert to fraction form
    30,151.98/41,612.28 = 16,727.56/x
  3. Step 3: Cross multiply
    30,151.98x = 41,612.28 × 16,727.56
  4. Step 4: Simplify right side
    30,151.98x = 696,072,071.84
  5. Step 5: Solve for x
    x = 696,072,071.84/30,151.98
  6. Step 6: Final answer
    x = 23,085.45

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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.