Home / 54,128.65-81,193.02-14,685.77

Finding the Fourth Proportional to 54,128.65, 81,193.02 and 14,685.77

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Solution

The fourth proportional to 54,128.65, 81,193.02 and 14,685.77 is: 22,028.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,128.65 : 81,193.02 = 14,685.77 : x
  2. Step 2: Convert to fraction form
    54,128.65/81,193.02 = 14,685.77/x
  3. Step 3: Cross multiply
    54,128.65x = 81,193.02 × 14,685.77
  4. Step 4: Simplify right side
    54,128.65x = 1,192,382,017.33
  5. Step 5: Solve for x
    x = 1,192,382,017.33/54,128.65
  6. Step 6: Final answer
    x = 22,028.67

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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.