Home / 35,687.79-49,254.41-20,577.51

Finding the Fourth Proportional to 35,687.79, 49,254.41 and 20,577.51

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Solution

The fourth proportional to 35,687.79, 49,254.41 and 20,577.51 is: 28,399.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,687.79 : 49,254.41 = 20,577.51 : x
  2. Step 2: Convert to fraction form
    35,687.79/49,254.41 = 20,577.51/x
  3. Step 3: Cross multiply
    35,687.79x = 49,254.41 × 20,577.51
  4. Step 4: Simplify right side
    35,687.79x = 1,013,533,011.43
  5. Step 5: Solve for x
    x = 1,013,533,011.43/35,687.79
  6. Step 6: Final answer
    x = 28,399.99

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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.