Home / 30,108.65-41,553-17,362.31

Finding the Fourth Proportional to 30,108.65, 41,553 and 17,362.31

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Solution

The fourth proportional to 30,108.65, 41,553 and 17,362.31 is: 23,961.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,108.65 : 41,553 = 17,362.31 : x
  2. Step 2: Convert to fraction form
    30,108.65/41,553 = 17,362.31/x
  3. Step 3: Cross multiply
    30,108.65x = 41,553 × 17,362.31
  4. Step 4: Simplify right side
    30,108.65x = 721,455,859.67
  5. Step 5: Solve for x
    x = 721,455,859.67/30,108.65
  6. Step 6: Final answer
    x = 23,961.75

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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.