Home / 40,783.50-61,175.25-14,489.28

Finding the Fourth Proportional to 40,783.50, 61,175.25 and 14,489.28

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Solution

The fourth proportional to 40,783.50, 61,175.25 and 14,489.28 is: 21,733.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,783.50 : 61,175.25 = 14,489.28 : x
  2. Step 2: Convert to fraction form
    40,783.50/61,175.25 = 14,489.28/x
  3. Step 3: Cross multiply
    40,783.50x = 61,175.25 × 14,489.28
  4. Step 4: Simplify right side
    40,783.50x = 886,385,326.32
  5. Step 5: Solve for x
    x = 886,385,326.32/40,783.50
  6. Step 6: Final answer
    x = 21,733.92

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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.