Home / 45,163.65-67,776.57-15,581.51

Finding the Fourth Proportional to 45,163.65, 67,776.57 and 15,581.51

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Solution

The fourth proportional to 45,163.65, 67,776.57 and 15,581.51 is: 23,382.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,163.65 : 67,776.57 = 15,581.51 : x
  2. Step 2: Convert to fraction form
    45,163.65/67,776.57 = 15,581.51/x
  3. Step 3: Cross multiply
    45,163.65x = 67,776.57 × 15,581.51
  4. Step 4: Simplify right side
    45,163.65x = 1,056,061,225.31
  5. Step 5: Solve for x
    x = 1,056,061,225.31/45,163.65
  6. Step 6: Final answer
    x = 23,382.99

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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.