Home / 55,120.12-82,678.35-23,955.40

Finding the Fourth Proportional to 55,120.12, 82,678.35 and 23,955.40

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Solution

The fourth proportional to 55,120.12, 82,678.35 and 23,955.40 is: 35,932.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,120.12 : 82,678.35 = 23,955.40 : x
  2. Step 2: Convert to fraction form
    55,120.12/82,678.35 = 23,955.40/x
  3. Step 3: Cross multiply
    55,120.12x = 82,678.35 × 23,955.40
  4. Step 4: Simplify right side
    55,120.12x = 1,980,592,945.59
  5. Step 5: Solve for x
    x = 1,980,592,945.59/55,120.12
  6. Step 6: Final answer
    x = 35,932.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.