Home / 55,453.92-76,526.28-30,303.60

Finding the Fourth Proportional to 55,453.92, 76,526.28 and 30,303.60

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Solution

The fourth proportional to 55,453.92, 76,526.28 and 30,303.60 is: 41,818.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,453.92 : 76,526.28 = 30,303.60 : x
  2. Step 2: Convert to fraction form
    55,453.92/76,526.28 = 30,303.60/x
  3. Step 3: Cross multiply
    55,453.92x = 76,526.28 × 30,303.60
  4. Step 4: Simplify right side
    55,453.92x = 2,319,021,778.61
  5. Step 5: Solve for x
    x = 2,319,021,778.61/55,453.92
  6. Step 6: Final answer
    x = 41,818.90

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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.