Home / 51,627.24-77,499.18-20,484.36

Finding the Fourth Proportional to 51,627.24, 77,499.18 and 20,484.36

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Solution

The fourth proportional to 51,627.24, 77,499.18 and 20,484.36 is: 30,749.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,627.24 : 77,499.18 = 20,484.36 : x
  2. Step 2: Convert to fraction form
    51,627.24/77,499.18 = 20,484.36/x
  3. Step 3: Cross multiply
    51,627.24x = 77,499.18 × 20,484.36
  4. Step 4: Simplify right side
    51,627.24x = 1,587,521,102.82
  5. Step 5: Solve for x
    x = 1,587,521,102.82/51,627.24
  6. Step 6: Final answer
    x = 30,749.68

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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.