Home / 30,010.63-41,412.53-16,581.74

Finding the Fourth Proportional to 30,010.63, 41,412.53 and 16,581.74

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Solution

The fourth proportional to 30,010.63, 41,412.53 and 16,581.74 is: 22,881.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,010.63 : 41,412.53 = 16,581.74 : x
  2. Step 2: Convert to fraction form
    30,010.63/41,412.53 = 16,581.74/x
  3. Step 3: Cross multiply
    30,010.63x = 41,412.53 × 16,581.74
  4. Step 4: Simplify right side
    30,010.63x = 686,691,639.59
  5. Step 5: Solve for x
    x = 686,691,639.59/30,010.63
  6. Step 6: Final answer
    x = 22,881.62

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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.