Home / 55,528.32-76,628.80-30,034.66

Finding the Fourth Proportional to 55,528.32, 76,628.80 and 30,034.66

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Solution

The fourth proportional to 55,528.32, 76,628.80 and 30,034.66 is: 41,447.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,528.32 : 76,628.80 = 30,034.66 : x
  2. Step 2: Convert to fraction form
    55,528.32/76,628.80 = 30,034.66/x
  3. Step 3: Cross multiply
    55,528.32x = 76,628.80 × 30,034.66
  4. Step 4: Simplify right side
    55,528.32x = 2,301,519,924.91
  5. Step 5: Solve for x
    x = 2,301,519,924.91/55,528.32
  6. Step 6: Final answer
    x = 41,447.68

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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.