Home / 58,849.34-81,210.12-31,991.36

Finding the Fourth Proportional to 58,849.34, 81,210.12 and 31,991.36

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Solution

The fourth proportional to 58,849.34, 81,210.12 and 31,991.36 is: 44,147.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,849.34 : 81,210.12 = 31,991.36 : x
  2. Step 2: Convert to fraction form
    58,849.34/81,210.12 = 31,991.36/x
  3. Step 3: Cross multiply
    58,849.34x = 81,210.12 × 31,991.36
  4. Step 4: Simplify right side
    58,849.34x = 2,598,022,184.56
  5. Step 5: Solve for x
    x = 2,598,022,184.56/58,849.34
  6. Step 6: Final answer
    x = 44,147.01

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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.