Home / 58,711.75-81,029.85-32,880.13

Finding the Fourth Proportional to 58,711.75, 81,029.85 and 32,880.13

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Solution

The fourth proportional to 58,711.75, 81,029.85 and 32,880.13 is: 45,378.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,711.75 : 81,029.85 = 32,880.13 : x
  2. Step 2: Convert to fraction form
    58,711.75/81,029.85 = 32,880.13/x
  3. Step 3: Cross multiply
    58,711.75x = 81,029.85 × 32,880.13
  4. Step 4: Simplify right side
    58,711.75x = 2,664,272,001.88
  5. Step 5: Solve for x
    x = 2,664,272,001.88/58,711.75
  6. Step 6: Final answer
    x = 45,378.86

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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.