Home / 52,201.23-72,039.30-30,687.03

Finding the Fourth Proportional to 52,201.23, 72,039.30 and 30,687.03

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Solution

The fourth proportional to 52,201.23, 72,039.30 and 30,687.03 is: 42,349.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,201.23 : 72,039.30 = 30,687.03 : x
  2. Step 2: Convert to fraction form
    52,201.23/72,039.30 = 30,687.03/x
  3. Step 3: Cross multiply
    52,201.23x = 72,039.30 × 30,687.03
  4. Step 4: Simplify right side
    52,201.23x = 2,210,672,160.28
  5. Step 5: Solve for x
    x = 2,210,672,160.28/52,201.23
  6. Step 6: Final answer
    x = 42,349.04

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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.