Home / 38,328.30-52,892.49-21,561.30

Finding the Fourth Proportional to 38,328.30, 52,892.49 and 21,561.30

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Solution

The fourth proportional to 38,328.30, 52,892.49 and 21,561.30 is: 29,754.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,328.30 : 52,892.49 = 21,561.30 : x
  2. Step 2: Convert to fraction form
    38,328.30/52,892.49 = 21,561.30/x
  3. Step 3: Cross multiply
    38,328.30x = 52,892.49 × 21,561.30
  4. Step 4: Simplify right side
    38,328.30x = 1,140,430,844.64
  5. Step 5: Solve for x
    x = 1,140,430,844.64/38,328.30
  6. Step 6: Final answer
    x = 29,754.28

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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.