Home / 62,780.57-94,178.60-20,649.84

Finding the Fourth Proportional to 62,780.57, 94,178.60 and 20,649.84

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Solution

The fourth proportional to 62,780.57, 94,178.60 and 20,649.84 is: 30,977.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,780.57 : 94,178.60 = 20,649.84 : x
  2. Step 2: Convert to fraction form
    62,780.57/94,178.60 = 20,649.84/x
  3. Step 3: Cross multiply
    62,780.57x = 94,178.60 × 20,649.84
  4. Step 4: Simplify right side
    62,780.57x = 1,944,772,642.44
  5. Step 5: Solve for x
    x = 1,944,772,642.44/62,780.57
  6. Step 6: Final answer
    x = 30,977.30

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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.