Home / 55,291.64-76,303.52-30,141.16

Finding the Fourth Proportional to 55,291.64, 76,303.52 and 30,141.16

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Solution

The fourth proportional to 55,291.64, 76,303.52 and 30,141.16 is: 41,595.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,291.64 : 76,303.52 = 30,141.16 : x
  2. Step 2: Convert to fraction form
    55,291.64/76,303.52 = 30,141.16/x
  3. Step 3: Cross multiply
    55,291.64x = 76,303.52 × 30,141.16
  4. Step 4: Simplify right side
    55,291.64x = 2,299,876,604.88
  5. Step 5: Solve for x
    x = 2,299,876,604.88/55,291.64
  6. Step 6: Final answer
    x = 41,595.38

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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.