Home / 60,639.32-83,676.30-33,780.80

Finding the Fourth Proportional to 60,639.32, 83,676.30 and 33,780.80

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Solution

The fourth proportional to 60,639.32, 83,676.30 and 33,780.80 is: 46,614.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,639.32 : 83,676.30 = 33,780.80 : x
  2. Step 2: Convert to fraction form
    60,639.32/83,676.30 = 33,780.80/x
  3. Step 3: Cross multiply
    60,639.32x = 83,676.30 × 33,780.80
  4. Step 4: Simplify right side
    60,639.32x = 2,826,652,355.04
  5. Step 5: Solve for x
    x = 2,826,652,355.04/60,639.32
  6. Step 6: Final answer
    x = 46,614.18

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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.