Home / 51,001.74-76,502.50-13,561.81

Finding the Fourth Proportional to 51,001.74, 76,502.50 and 13,561.81

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Solution

The fourth proportional to 51,001.74, 76,502.50 and 13,561.81 is: 20,342.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,001.74 : 76,502.50 = 13,561.81 : x
  2. Step 2: Convert to fraction form
    51,001.74/76,502.50 = 13,561.81/x
  3. Step 3: Cross multiply
    51,001.74x = 76,502.50 × 13,561.81
  4. Step 4: Simplify right side
    51,001.74x = 1,037,512,301.72
  5. Step 5: Solve for x
    x = 1,037,512,301.72/51,001.74
  6. Step 6: Final answer
    x = 20,342.69

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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.