Home / 55,347.10-76,378.95-30,196.60

Finding the Fourth Proportional to 55,347.10, 76,378.95 and 30,196.60

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Solution

The fourth proportional to 55,347.10, 76,378.95 and 30,196.60 is: 41,671.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,347.10 : 76,378.95 = 30,196.60 : x
  2. Step 2: Convert to fraction form
    55,347.10/76,378.95 = 30,196.60/x
  3. Step 3: Cross multiply
    55,347.10x = 76,378.95 × 30,196.60
  4. Step 4: Simplify right side
    55,347.10x = 2,306,384,410.62
  5. Step 5: Solve for x
    x = 2,306,384,410.62/55,347.10
  6. Step 6: Final answer
    x = 41,671.28

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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.