Home / 58,786.80-81,125.96-31,929.76

Finding the Fourth Proportional to 58,786.80, 81,125.96 and 31,929.76

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Solution

The fourth proportional to 58,786.80, 81,125.96 and 31,929.76 is: 44,063.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,786.80 : 81,125.96 = 31,929.76 : x
  2. Step 2: Convert to fraction form
    58,786.80/81,125.96 = 31,929.76/x
  3. Step 3: Cross multiply
    58,786.80x = 81,125.96 × 31,929.76
  4. Step 4: Simplify right side
    58,786.80x = 2,590,332,432.57
  5. Step 5: Solve for x
    x = 2,590,332,432.57/58,786.80
  6. Step 6: Final answer
    x = 44,063.16

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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.