Home / 58,609.09-80,880.45-31,752.28

Finding the Fourth Proportional to 58,609.09, 80,880.45 and 31,752.28

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Solution

The fourth proportional to 58,609.09, 80,880.45 and 31,752.28 is: 43,818.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,609.09 : 80,880.45 = 31,752.28 : x
  2. Step 2: Convert to fraction form
    58,609.09/80,880.45 = 31,752.28/x
  3. Step 3: Cross multiply
    58,609.09x = 80,880.45 × 31,752.28
  4. Step 4: Simplify right side
    58,609.09x = 2,568,138,694.93
  5. Step 5: Solve for x
    x = 2,568,138,694.93/58,609.09
  6. Step 6: Final answer
    x = 43,818.10

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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.