Home / 55,453.12-76,525.50-30,303.16

Finding the Fourth Proportional to 55,453.12, 76,525.50 and 30,303.16

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Solution

The fourth proportional to 55,453.12, 76,525.50 and 30,303.16 is: 41,818.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,453.12 : 76,525.50 = 30,303.16 : x
  2. Step 2: Convert to fraction form
    55,453.12/76,525.50 = 30,303.16/x
  3. Step 3: Cross multiply
    55,453.12x = 76,525.50 × 30,303.16
  4. Step 4: Simplify right side
    55,453.12x = 2,318,964,470.58
  5. Step 5: Solve for x
    x = 2,318,964,470.58/55,453.12
  6. Step 6: Final answer
    x = 41,818.47

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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.