Home / 51,073.87-76,610.55-13,123.11

Finding the Fourth Proportional to 51,073.87, 76,610.55 and 13,123.11

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Solution

The fourth proportional to 51,073.87, 76,610.55 and 13,123.11 is: 19,684.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,073.87 : 76,610.55 = 13,123.11 : x
  2. Step 2: Convert to fraction form
    51,073.87/76,610.55 = 13,123.11/x
  3. Step 3: Cross multiply
    51,073.87x = 76,610.55 × 13,123.11
  4. Step 4: Simplify right side
    51,073.87x = 1,005,368,674.81
  5. Step 5: Solve for x
    x = 1,005,368,674.81/51,073.87
  6. Step 6: Final answer
    x = 19,684.60

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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.