Home / 58,847.68-81,210.18-31,990.42

Finding the Fourth Proportional to 58,847.68, 81,210.18 and 31,990.42

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Solution

The fourth proportional to 58,847.68, 81,210.18 and 31,990.42 is: 44,146.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,847.68 : 81,210.18 = 31,990.42 : x
  2. Step 2: Convert to fraction form
    58,847.68/81,210.18 = 31,990.42/x
  3. Step 3: Cross multiply
    58,847.68x = 81,210.18 × 31,990.42
  4. Step 4: Simplify right side
    58,847.68x = 2,597,947,766.48
  5. Step 5: Solve for x
    x = 2,597,947,766.48/58,847.68
  6. Step 6: Final answer
    x = 44,146.99

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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.