Home / 51,106.43-76,653.59-13,669.40

Finding the Fourth Proportional to 51,106.43, 76,653.59 and 13,669.40

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Solution

The fourth proportional to 51,106.43, 76,653.59 and 13,669.40 is: 20,502.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,106.43 : 76,653.59 = 13,669.40 : x
  2. Step 2: Convert to fraction form
    51,106.43/76,653.59 = 13,669.40/x
  3. Step 3: Cross multiply
    51,106.43x = 76,653.59 × 13,669.40
  4. Step 4: Simplify right side
    51,106.43x = 1,047,808,583.15
  5. Step 5: Solve for x
    x = 1,047,808,583.15/51,106.43
  6. Step 6: Final answer
    x = 20,502.48

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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.