Home / 57,025.49-85,543.02-21,011.75

Finding the Fourth Proportional to 57,025.49, 85,543.02 and 21,011.75

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Solution

The fourth proportional to 57,025.49, 85,543.02 and 21,011.75 is: 31,519.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,025.49 : 85,543.02 = 21,011.75 : x
  2. Step 2: Convert to fraction form
    57,025.49/85,543.02 = 21,011.75/x
  3. Step 3: Cross multiply
    57,025.49x = 85,543.02 × 21,011.75
  4. Step 4: Simplify right side
    57,025.49x = 1,797,408,550.49
  5. Step 5: Solve for x
    x = 1,797,408,550.49/57,025.49
  6. Step 6: Final answer
    x = 31,519.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.