Home / 56,162.21-77,504.01-30,668.81

Finding the Fourth Proportional to 56,162.21, 77,504.01 and 30,668.81

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Solution

The fourth proportional to 56,162.21, 77,504.01 and 30,668.81 is: 42,323.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,162.21 : 77,504.01 = 30,668.81 : x
  2. Step 2: Convert to fraction form
    56,162.21/77,504.01 = 30,668.81/x
  3. Step 3: Cross multiply
    56,162.21x = 77,504.01 × 30,668.81
  4. Step 4: Simplify right side
    56,162.21x = 2,376,955,756.93
  5. Step 5: Solve for x
    x = 2,376,955,756.93/56,162.21
  6. Step 6: Final answer
    x = 42,323.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.