Home / 45,457.77-68,164.78-19,148.16

Finding the Fourth Proportional to 45,457.77, 68,164.78 and 19,148.16

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Solution

The fourth proportional to 45,457.77, 68,164.78 and 19,148.16 is: 28,713.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,457.77 : 68,164.78 = 19,148.16 : x
  2. Step 2: Convert to fraction form
    45,457.77/68,164.78 = 19,148.16/x
  3. Step 3: Cross multiply
    45,457.77x = 68,164.78 × 19,148.16
  4. Step 4: Simplify right side
    45,457.77x = 1,305,230,113.80
  5. Step 5: Solve for x
    x = 1,305,230,113.80/45,457.77
  6. Step 6: Final answer
    x = 28,713.03

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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.