Home / 35,156.40-48,519.09-21,008.94

Finding the Fourth Proportional to 35,156.40, 48,519.09 and 21,008.94

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Solution

The fourth proportional to 35,156.40, 48,519.09 and 21,008.94 is: 28,994.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,156.40 : 48,519.09 = 21,008.94 : x
  2. Step 2: Convert to fraction form
    35,156.40/48,519.09 = 21,008.94/x
  3. Step 3: Cross multiply
    35,156.40x = 48,519.09 × 21,008.94
  4. Step 4: Simplify right side
    35,156.40x = 1,019,334,650.66
  5. Step 5: Solve for x
    x = 1,019,334,650.66/35,156.40
  6. Step 6: Final answer
    x = 28,994.28

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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.