Home / 55,151.51-82,741.06-15,708.63

Finding the Fourth Proportional to 55,151.51, 82,741.06 and 15,708.63

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Solution

The fourth proportional to 55,151.51, 82,741.06 and 15,708.63 is: 23,566.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,151.51 : 82,741.06 = 15,708.63 : x
  2. Step 2: Convert to fraction form
    55,151.51/82,741.06 = 15,708.63/x
  3. Step 3: Cross multiply
    55,151.51x = 82,741.06 × 15,708.63
  4. Step 4: Simplify right side
    55,151.51x = 1,299,748,536.80
  5. Step 5: Solve for x
    x = 1,299,748,536.80/55,151.51
  6. Step 6: Final answer
    x = 23,566.87

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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.