Home / 40,135.61-60,205.98-13,480.52

Finding the Fourth Proportional to 40,135.61, 60,205.98 and 13,480.52

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Solution

The fourth proportional to 40,135.61, 60,205.98 and 13,480.52 is: 20,221.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,135.61 : 60,205.98 = 13,480.52 : x
  2. Step 2: Convert to fraction form
    40,135.61/60,205.98 = 13,480.52/x
  3. Step 3: Cross multiply
    40,135.61x = 60,205.98 × 13,480.52
  4. Step 4: Simplify right side
    40,135.61x = 811,607,917.51
  5. Step 5: Solve for x
    x = 811,607,917.51/40,135.61
  6. Step 6: Final answer
    x = 20,221.64

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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.