Home / 51,706.28-77,559.70-18,427.64

Finding the Fourth Proportional to 51,706.28, 77,559.70 and 18,427.64

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Solution

The fourth proportional to 51,706.28, 77,559.70 and 18,427.64 is: 27,641.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,706.28 : 77,559.70 = 18,427.64 : x
  2. Step 2: Convert to fraction form
    51,706.28/77,559.70 = 18,427.64/x
  3. Step 3: Cross multiply
    51,706.28x = 77,559.70 × 18,427.64
  4. Step 4: Simplify right side
    51,706.28x = 1,429,242,230.11
  5. Step 5: Solve for x
    x = 1,429,242,230.11/51,706.28
  6. Step 6: Final answer
    x = 27,641.56

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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.