Home / 51,443.48-77,145.60-18,157.34

Finding the Fourth Proportional to 51,443.48, 77,145.60 and 18,157.34

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Solution

The fourth proportional to 51,443.48, 77,145.60 and 18,157.34 is: 27,229.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,443.48 : 77,145.60 = 18,157.34 : x
  2. Step 2: Convert to fraction form
    51,443.48/77,145.60 = 18,157.34/x
  3. Step 3: Cross multiply
    51,443.48x = 77,145.60 × 18,157.34
  4. Step 4: Simplify right side
    51,443.48x = 1,400,758,888.70
  5. Step 5: Solve for x
    x = 1,400,758,888.70/51,443.48
  6. Step 6: Final answer
    x = 27,229.08

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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.