Home / 40,770.39-56,239.25-25,639.05

Finding the Fourth Proportional to 40,770.39, 56,239.25 and 25,639.05

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Solution

The fourth proportional to 40,770.39, 56,239.25 and 25,639.05 is: 35,366.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,770.39 : 56,239.25 = 25,639.05 : x
  2. Step 2: Convert to fraction form
    40,770.39/56,239.25 = 25,639.05/x
  3. Step 3: Cross multiply
    40,770.39x = 56,239.25 × 25,639.05
  4. Step 4: Simplify right side
    40,770.39x = 1,441,920,814.52
  5. Step 5: Solve for x
    x = 1,441,920,814.52/40,770.39
  6. Step 6: Final answer
    x = 35,366.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.