Home / 57,022.99-78,688.54-31,527.88

Finding the Fourth Proportional to 57,022.99, 78,688.54 and 31,527.88

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Solution

The fourth proportional to 57,022.99, 78,688.54 and 31,527.88 is: 43,506.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,022.99 : 78,688.54 = 31,527.88 : x
  2. Step 2: Convert to fraction form
    57,022.99/78,688.54 = 31,527.88/x
  3. Step 3: Cross multiply
    57,022.99x = 78,688.54 × 31,527.88
  4. Step 4: Simplify right side
    57,022.99x = 2,480,882,846.50
  5. Step 5: Solve for x
    x = 2,480,882,846.50/57,022.99
  6. Step 6: Final answer
    x = 43,506.71

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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.