Home / 35,810.48-49,418.45-19,678.82

Finding the Fourth Proportional to 35,810.48, 49,418.45 and 19,678.82

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Solution

The fourth proportional to 35,810.48, 49,418.45 and 19,678.82 is: 27,156.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,810.48 : 49,418.45 = 19,678.82 : x
  2. Step 2: Convert to fraction form
    35,810.48/49,418.45 = 19,678.82/x
  3. Step 3: Cross multiply
    35,810.48x = 49,418.45 × 19,678.82
  4. Step 4: Simplify right side
    35,810.48x = 972,496,941.65
  5. Step 5: Solve for x
    x = 972,496,941.65/35,810.48
  6. Step 6: Final answer
    x = 27,156.77

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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.