Home / 57,022.94-78,688.49-31,527.83

Finding the Fourth Proportional to 57,022.94, 78,688.49 and 31,527.83

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Solution

The fourth proportional to 57,022.94, 78,688.49 and 31,527.83 is: 43,506.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,022.94 : 78,688.49 = 31,527.83 : x
  2. Step 2: Convert to fraction form
    57,022.94/78,688.49 = 31,527.83/x
  3. Step 3: Cross multiply
    57,022.94x = 78,688.49 × 31,527.83
  4. Step 4: Simplify right side
    57,022.94x = 2,480,877,374.76
  5. Step 5: Solve for x
    x = 2,480,877,374.76/57,022.94
  6. Step 6: Final answer
    x = 43,506.65

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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.