Home / 39,009.20-58,492.20-16,818.80

Finding the Fourth Proportional to 39,009.20, 58,492.20 and 16,818.80

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Solution

The fourth proportional to 39,009.20, 58,492.20 and 16,818.80 is: 25,218.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,009.20 : 58,492.20 = 16,818.80 : x
  2. Step 2: Convert to fraction form
    39,009.20/58,492.20 = 16,818.80/x
  3. Step 3: Cross multiply
    39,009.20x = 58,492.20 × 16,818.80
  4. Step 4: Simplify right side
    39,009.20x = 983,768,613.36
  5. Step 5: Solve for x
    x = 983,768,613.36/39,009.20
  6. Step 6: Final answer
    x = 25,218.89

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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.