Home / 31,459.84-43,404.81-17,845.64

Finding the Fourth Proportional to 31,459.84, 43,404.81 and 17,845.64

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Solution

The fourth proportional to 31,459.84, 43,404.81 and 17,845.64 is: 24,621.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,459.84 : 43,404.81 = 17,845.64 : x
  2. Step 2: Convert to fraction form
    31,459.84/43,404.81 = 17,845.64/x
  3. Step 3: Cross multiply
    31,459.84x = 43,404.81 × 17,845.64
  4. Step 4: Simplify right side
    31,459.84x = 774,586,677.43
  5. Step 5: Solve for x
    x = 774,586,677.43/31,459.84
  6. Step 6: Final answer
    x = 24,621.44

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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.