Home / 39,186.45-58,762.67-14,218.20

Finding the Fourth Proportional to 39,186.45, 58,762.67 and 14,218.20

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Solution

The fourth proportional to 39,186.45, 58,762.67 and 14,218.20 is: 21,321.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,186.45 : 58,762.67 = 14,218.20 : x
  2. Step 2: Convert to fraction form
    39,186.45/58,762.67 = 14,218.20/x
  3. Step 3: Cross multiply
    39,186.45x = 58,762.67 × 14,218.20
  4. Step 4: Simplify right side
    39,186.45x = 835,499,323.50
  5. Step 5: Solve for x
    x = 835,499,323.50/39,186.45
  6. Step 6: Final answer
    x = 21,321.13

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1.5x scale

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.