Home / 55,308.08-76,330.20-33,796.40

Finding the Fourth Proportional to 55,308.08, 76,330.20 and 33,796.40

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Solution

The fourth proportional to 55,308.08, 76,330.20 and 33,796.40 is: 46,642.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,308.08 : 76,330.20 = 33,796.40 : x
  2. Step 2: Convert to fraction form
    55,308.08/76,330.20 = 33,796.40/x
  3. Step 3: Cross multiply
    55,308.08x = 76,330.20 × 33,796.40
  4. Step 4: Simplify right side
    55,308.08x = 2,579,685,971.28
  5. Step 5: Solve for x
    x = 2,579,685,971.28/55,308.08
  6. Step 6: Final answer
    x = 46,642.12

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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.