Home / 19,533.84-29,300.79-4,742.64

Finding the Fourth Proportional to 19,533.84, 29,300.79 and 4,742.64

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Solution

The fourth proportional to 19,533.84, 29,300.79 and 4,742.64 is: 7,113.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,533.84 : 29,300.79 = 4,742.64 : x
  2. Step 2: Convert to fraction form
    19,533.84/29,300.79 = 4,742.64/x
  3. Step 3: Cross multiply
    19,533.84x = 29,300.79 × 4,742.64
  4. Step 4: Simplify right side
    19,533.84x = 138,963,098.69
  5. Step 5: Solve for x
    x = 138,963,098.69/19,533.84
  6. Step 6: Final answer
    x = 7,113.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.