Home / 29,000.62-39,998.65-19,437.51

Finding the Fourth Proportional to 29,000.62, 39,998.65 and 19,437.51

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Solution

The fourth proportional to 29,000.62, 39,998.65 and 19,437.51 is: 26,808.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,000.62 : 39,998.65 = 19,437.51 : x
  2. Step 2: Convert to fraction form
    29,000.62/39,998.65 = 19,437.51/x
  3. Step 3: Cross multiply
    29,000.62x = 39,998.65 × 19,437.51
  4. Step 4: Simplify right side
    29,000.62x = 777,474,159.36
  5. Step 5: Solve for x
    x = 777,474,159.36/29,000.62
  6. Step 6: Final answer
    x = 26,808.88

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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.