Home / 39,726.84-54,822.81-21,577.37

Finding the Fourth Proportional to 39,726.84, 54,822.81 and 21,577.37

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Solution

The fourth proportional to 39,726.84, 54,822.81 and 21,577.37 is: 29,776.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,726.84 : 54,822.81 = 21,577.37 : x
  2. Step 2: Convert to fraction form
    39,726.84/54,822.81 = 21,577.37/x
  3. Step 3: Cross multiply
    39,726.84x = 54,822.81 × 21,577.37
  4. Step 4: Simplify right side
    39,726.84x = 1,182,931,862.61
  5. Step 5: Solve for x
    x = 1,182,931,862.61/39,726.84
  6. Step 6: Final answer
    x = 29,776.64

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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.