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Finding the Fourth Proportional to 29,001.62, 40,000.03 and 19,438.51

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Solution

The fourth proportional to 29,001.62, 40,000.03 and 19,438.51 is: 26,810.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,001.62 : 40,000.03 = 19,438.51 : x
  2. Step 2: Convert to fraction form
    29,001.62/40,000.03 = 19,438.51/x
  3. Step 3: Cross multiply
    29,001.62x = 40,000.03 × 19,438.51
  4. Step 4: Simplify right side
    29,001.62x = 777,540,983.16
  5. Step 5: Solve for x
    x = 777,540,983.16/29,001.62
  6. Step 6: Final answer
    x = 26,810.26

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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.