Home / 51,628.40-77,427.67-14,189.69

Finding the Fourth Proportional to 51,628.40, 77,427.67 and 14,189.69

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Solution

The fourth proportional to 51,628.40, 77,427.67 and 14,189.69 is: 21,280.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,628.40 : 77,427.67 = 14,189.69 : x
  2. Step 2: Convert to fraction form
    51,628.40/77,427.67 = 14,189.69/x
  3. Step 3: Cross multiply
    51,628.40x = 77,427.67 × 14,189.69
  4. Step 4: Simplify right side
    51,628.40x = 1,098,674,634.72
  5. Step 5: Solve for x
    x = 1,098,674,634.72/51,628.40
  6. Step 6: Final answer
    x = 21,280.43

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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.