Home / 51,390.56-77,090.97-13,951.23

Finding the Fourth Proportional to 51,390.56, 77,090.97 and 13,951.23

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Solution

The fourth proportional to 51,390.56, 77,090.97 and 13,951.23 is: 20,928.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,390.56 : 77,090.97 = 13,951.23 : x
  2. Step 2: Convert to fraction form
    51,390.56/77,090.97 = 13,951.23/x
  3. Step 3: Cross multiply
    51,390.56x = 77,090.97 × 13,951.23
  4. Step 4: Simplify right side
    51,390.56x = 1,075,513,853.39
  5. Step 5: Solve for x
    x = 1,075,513,853.39/51,390.56
  6. Step 6: Final answer
    x = 20,928.24

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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.