Home / 58,176.63-87,269.20-18,762.03

Finding the Fourth Proportional to 58,176.63, 87,269.20 and 18,762.03

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Solution

The fourth proportional to 58,176.63, 87,269.20 and 18,762.03 is: 28,144.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,176.63 : 87,269.20 = 18,762.03 : x
  2. Step 2: Convert to fraction form
    58,176.63/87,269.20 = 18,762.03/x
  3. Step 3: Cross multiply
    58,176.63x = 87,269.20 × 18,762.03
  4. Step 4: Simplify right side
    58,176.63x = 1,637,347,301.57
  5. Step 5: Solve for x
    x = 1,637,347,301.57/58,176.63
  6. Step 6: Final answer
    x = 28,144.42

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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.