Home / 39,116.40-58,668.39-12,458.93

Finding the Fourth Proportional to 39,116.40, 58,668.39 and 12,458.93

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Solution

The fourth proportional to 39,116.40, 58,668.39 and 12,458.93 is: 18,686.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,116.40 : 58,668.39 = 12,458.93 : x
  2. Step 2: Convert to fraction form
    39,116.40/58,668.39 = 12,458.93/x
  3. Step 3: Cross multiply
    39,116.40x = 58,668.39 × 12,458.93
  4. Step 4: Simplify right side
    39,116.40x = 730,945,070.88
  5. Step 5: Solve for x
    x = 730,945,070.88/39,116.40
  6. Step 6: Final answer
    x = 18,686.41

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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.