Home / 58,390.42-80,578.77-31,532.92

Finding the Fourth Proportional to 58,390.42, 80,578.77 and 31,532.92

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Solution

The fourth proportional to 58,390.42, 80,578.77 and 31,532.92 is: 43,515.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,390.42 : 80,578.77 = 31,532.92 : x
  2. Step 2: Convert to fraction form
    58,390.42/80,578.77 = 31,532.92/x
  3. Step 3: Cross multiply
    58,390.42x = 80,578.77 × 31,532.92
  4. Step 4: Simplify right side
    58,390.42x = 2,540,884,219.04
  5. Step 5: Solve for x
    x = 2,540,884,219.04/58,390.42
  6. Step 6: Final answer
    x = 43,515.43

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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.