Home / 48,410.22-72,643.75-20,328.11

Finding the Fourth Proportional to 48,410.22, 72,643.75 and 20,328.11

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Solution

The fourth proportional to 48,410.22, 72,643.75 and 20,328.11 is: 30,504.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,410.22 : 72,643.75 = 20,328.11 : x
  2. Step 2: Convert to fraction form
    48,410.22/72,643.75 = 20,328.11/x
  3. Step 3: Cross multiply
    48,410.22x = 72,643.75 × 20,328.11
  4. Step 4: Simplify right side
    48,410.22x = 1,476,710,039.17
  5. Step 5: Solve for x
    x = 1,476,710,039.17/48,410.22
  6. Step 6: Final answer
    x = 30,504.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.