Home / 51,042.33-76,557.42-13,605.21

Finding the Fourth Proportional to 51,042.33, 76,557.42 and 13,605.21

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Solution

The fourth proportional to 51,042.33, 76,557.42 and 13,605.21 is: 20,406.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,042.33 : 76,557.42 = 13,605.21 : x
  2. Step 2: Convert to fraction form
    51,042.33/76,557.42 = 13,605.21/x
  3. Step 3: Cross multiply
    51,042.33x = 76,557.42 × 13,605.21
  4. Step 4: Simplify right side
    51,042.33x = 1,041,579,776.16
  5. Step 5: Solve for x
    x = 1,041,579,776.16/51,042.33
  6. Step 6: Final answer
    x = 20,406.20

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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.