Home / 35,726.61-49,302-19,810.72

Finding the Fourth Proportional to 35,726.61, 49,302 and 19,810.72

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Solution

The fourth proportional to 35,726.61, 49,302 and 19,810.72 is: 27,338.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,726.61 : 49,302 = 19,810.72 : x
  2. Step 2: Convert to fraction form
    35,726.61/49,302 = 19,810.72/x
  3. Step 3: Cross multiply
    35,726.61x = 49,302 × 19,810.72
  4. Step 4: Simplify right side
    35,726.61x = 976,708,117.44
  5. Step 5: Solve for x
    x = 976,708,117.44/35,726.61
  6. Step 6: Final answer
    x = 27,338.39

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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.