Home / 42,753.81-64,103.08-23,046.51

Finding the Fourth Proportional to 42,753.81, 64,103.08 and 23,046.51

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Solution

The fourth proportional to 42,753.81, 64,103.08 and 23,046.51 is: 34,554.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,753.81 : 64,103.08 = 23,046.51 : x
  2. Step 2: Convert to fraction form
    42,753.81/64,103.08 = 23,046.51/x
  3. Step 3: Cross multiply
    42,753.81x = 64,103.08 × 23,046.51
  4. Step 4: Simplify right side
    42,753.81x = 1,477,352,274.25
  5. Step 5: Solve for x
    x = 1,477,352,274.25/42,753.81
  6. Step 6: Final answer
    x = 34,554.87

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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.