Home / 51,649.08-77,278.11-30,600.42

Finding the Fourth Proportional to 51,649.08, 77,278.11 and 30,600.42

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Solution

The fourth proportional to 51,649.08, 77,278.11 and 30,600.42 is: 45,784.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,649.08 : 77,278.11 = 30,600.42 : x
  2. Step 2: Convert to fraction form
    51,649.08/77,278.11 = 30,600.42/x
  3. Step 3: Cross multiply
    51,649.08x = 77,278.11 × 30,600.42
  4. Step 4: Simplify right side
    51,649.08x = 2,364,742,622.81
  5. Step 5: Solve for x
    x = 2,364,742,622.81/51,649.08
  6. Step 6: Final answer
    x = 45,784.80

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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.