Home / 40,619.81-56,000.22-28,503.83

Finding the Fourth Proportional to 40,619.81, 56,000.22 and 28,503.83

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Solution

The fourth proportional to 40,619.81, 56,000.22 and 28,503.83 is: 39,296.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,619.81 : 56,000.22 = 28,503.83 : x
  2. Step 2: Convert to fraction form
    40,619.81/56,000.22 = 28,503.83/x
  3. Step 3: Cross multiply
    40,619.81x = 56,000.22 × 28,503.83
  4. Step 4: Simplify right side
    40,619.81x = 1,596,220,750.84
  5. Step 5: Solve for x
    x = 1,596,220,750.84/40,619.81
  6. Step 6: Final answer
    x = 39,296.61

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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.