Home / 55,378.50-76,423.95-30,229.62

Finding the Fourth Proportional to 55,378.50, 76,423.95 and 30,229.62

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Solution

The fourth proportional to 55,378.50, 76,423.95 and 30,229.62 is: 41,717.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,378.50 : 76,423.95 = 30,229.62 : x
  2. Step 2: Convert to fraction form
    55,378.50/76,423.95 = 30,229.62/x
  3. Step 3: Cross multiply
    55,378.50x = 76,423.95 × 30,229.62
  4. Step 4: Simplify right side
    55,378.50x = 2,310,266,967.40
  5. Step 5: Solve for x
    x = 2,310,266,967.40/55,378.50
  6. Step 6: Final answer
    x = 41,717.76

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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.