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Finding the Fourth Proportional to 35,448.45, 48,921.04 and 19,532.90

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Solution

The fourth proportional to 35,448.45, 48,921.04 and 19,532.90 is: 26,956.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,448.45 : 48,921.04 = 19,532.90 : x
  2. Step 2: Convert to fraction form
    35,448.45/48,921.04 = 19,532.90/x
  3. Step 3: Cross multiply
    35,448.45x = 48,921.04 × 19,532.90
  4. Step 4: Simplify right side
    35,448.45x = 955,569,537.61
  5. Step 5: Solve for x
    x = 955,569,537.61/35,448.45
  6. Step 6: Final answer
    x = 26,956.60

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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.