Home / 55,296.12-76,284.56-35,142.20

Finding the Fourth Proportional to 55,296.12, 76,284.56 and 35,142.20

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Solution

The fourth proportional to 55,296.12, 76,284.56 and 35,142.20 is: 48,480.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,296.12 : 76,284.56 = 35,142.20 : x
  2. Step 2: Convert to fraction form
    55,296.12/76,284.56 = 35,142.20/x
  3. Step 3: Cross multiply
    55,296.12x = 76,284.56 × 35,142.20
  4. Step 4: Simplify right side
    55,296.12x = 2,680,807,264.43
  5. Step 5: Solve for x
    x = 2,680,807,264.43/55,296.12
  6. Step 6: Final answer
    x = 48,480.93

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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.