Home / 58,160.51-87,240.81-18,717.61

Finding the Fourth Proportional to 58,160.51, 87,240.81 and 18,717.61

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Solution

The fourth proportional to 58,160.51, 87,240.81 and 18,717.61 is: 28,076.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,160.51 : 87,240.81 = 18,717.61 : x
  2. Step 2: Convert to fraction form
    58,160.51/87,240.81 = 18,717.61/x
  3. Step 3: Cross multiply
    58,160.51x = 87,240.81 × 18,717.61
  4. Step 4: Simplify right side
    58,160.51x = 1,632,939,457.66
  5. Step 5: Solve for x
    x = 1,632,939,457.66/58,160.51
  6. Step 6: Final answer
    x = 28,076.43

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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.