Home / 35,822.79-49,432.68-19,905.84

Finding the Fourth Proportional to 35,822.79, 49,432.68 and 19,905.84

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Solution

The fourth proportional to 35,822.79, 49,432.68 and 19,905.84 is: 27,468.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,822.79 : 49,432.68 = 19,905.84 : x
  2. Step 2: Convert to fraction form
    35,822.79/49,432.68 = 19,905.84/x
  3. Step 3: Cross multiply
    35,822.79x = 49,432.68 × 19,905.84
  4. Step 4: Simplify right side
    35,822.79x = 983,999,018.85
  5. Step 5: Solve for x
    x = 983,999,018.85/35,822.79
  6. Step 6: Final answer
    x = 27,468.52

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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.