Home / 51,046.32-76,563.40-13,609.20

Finding the Fourth Proportional to 51,046.32, 76,563.40 and 13,609.20

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Solution

The fourth proportional to 51,046.32, 76,563.40 and 13,609.20 is: 20,412.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,046.32 : 76,563.40 = 13,609.20 : x
  2. Step 2: Convert to fraction form
    51,046.32/76,563.40 = 13,609.20/x
  3. Step 3: Cross multiply
    51,046.32x = 76,563.40 × 13,609.20
  4. Step 4: Simplify right side
    51,046.32x = 1,041,966,623.28
  5. Step 5: Solve for x
    x = 1,041,966,623.28/51,046.32
  6. Step 6: Final answer
    x = 20,412.18

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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.