Home / 55,624.24-76,758.60-30,473.20

Finding the Fourth Proportional to 55,624.24, 76,758.60 and 30,473.20

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Solution

The fourth proportional to 55,624.24, 76,758.60 and 30,473.20 is: 42,051.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,624.24 : 76,758.60 = 30,473.20 : x
  2. Step 2: Convert to fraction form
    55,624.24/76,758.60 = 30,473.20/x
  3. Step 3: Cross multiply
    55,624.24x = 76,758.60 × 30,473.20
  4. Step 4: Simplify right side
    55,624.24x = 2,339,080,169.52
  5. Step 5: Solve for x
    x = 2,339,080,169.52/55,624.24
  6. Step 6: Final answer
    x = 42,051.45

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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.