Home / 35,381.28-48,825.36-21,038.88

Finding the Fourth Proportional to 35,381.28, 48,825.36 and 21,038.88

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Solution

The fourth proportional to 35,381.28, 48,825.36 and 21,038.88 is: 29,033.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,381.28 : 48,825.36 = 21,038.88 : x
  2. Step 2: Convert to fraction form
    35,381.28/48,825.36 = 21,038.88/x
  3. Step 3: Cross multiply
    35,381.28x = 48,825.36 × 21,038.88
  4. Step 4: Simplify right side
    35,381.28x = 1,027,230,890.00
  5. Step 5: Solve for x
    x = 1,027,230,890.00/35,381.28
  6. Step 6: Final answer
    x = 29,033.17

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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.