Home / 40,135.09-60,214.52-13,842.49

Finding the Fourth Proportional to 40,135.09, 60,214.52 and 13,842.49

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Solution

The fourth proportional to 40,135.09, 60,214.52 and 13,842.49 is: 20,767.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,135.09 : 60,214.52 = 13,842.49 : x
  2. Step 2: Convert to fraction form
    40,135.09/60,214.52 = 13,842.49/x
  3. Step 3: Cross multiply
    40,135.09x = 60,214.52 × 13,842.49
  4. Step 4: Simplify right side
    40,135.09x = 833,518,821.74
  5. Step 5: Solve for x
    x = 833,518,821.74/40,135.09
  6. Step 6: Final answer
    x = 20,767.83

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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.