Home / 52,980.64-73,118.36-30,315.12

Finding the Fourth Proportional to 52,980.64, 73,118.36 and 30,315.12

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Solution

The fourth proportional to 52,980.64, 73,118.36 and 30,315.12 is: 41,837.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,980.64 : 73,118.36 = 30,315.12 : x
  2. Step 2: Convert to fraction form
    52,980.64/73,118.36 = 30,315.12/x
  3. Step 3: Cross multiply
    52,980.64x = 73,118.36 × 30,315.12
  4. Step 4: Simplify right side
    52,980.64x = 2,216,591,857.60
  5. Step 5: Solve for x
    x = 2,216,591,857.60/52,980.64
  6. Step 6: Final answer
    x = 41,837.77

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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.