Home / 57,025.95-78,692.63-31,530.84

Finding the Fourth Proportional to 57,025.95, 78,692.63 and 31,530.84

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Solution

The fourth proportional to 57,025.95, 78,692.63 and 31,530.84 is: 43,510.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,025.95 : 78,692.63 = 31,530.84 : x
  2. Step 2: Convert to fraction form
    57,025.95/78,692.63 = 31,530.84/x
  3. Step 3: Cross multiply
    57,025.95x = 78,692.63 × 31,530.84
  4. Step 4: Simplify right side
    57,025.95x = 2,481,244,568.06
  5. Step 5: Solve for x
    x = 2,481,244,568.06/57,025.95
  6. Step 6: Final answer
    x = 43,510.80

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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.