Home / 32,418.77-44,739.16-18,271.31

Finding the Fourth Proportional to 32,418.77, 44,739.16 and 18,271.31

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Solution

The fourth proportional to 32,418.77, 44,739.16 and 18,271.31 is: 25,215.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,418.77 : 44,739.16 = 18,271.31 : x
  2. Step 2: Convert to fraction form
    32,418.77/44,739.16 = 18,271.31/x
  3. Step 3: Cross multiply
    32,418.77x = 44,739.16 × 18,271.31
  4. Step 4: Simplify right side
    32,418.77x = 817,443,127.67
  5. Step 5: Solve for x
    x = 817,443,127.67/32,418.77
  6. Step 6: Final answer
    x = 25,215.12

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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.