Home / 48,426.48-72,634.28-13,371.12

Finding the Fourth Proportional to 48,426.48, 72,634.28 and 13,371.12

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Solution

The fourth proportional to 48,426.48, 72,634.28 and 13,371.12 is: 20,055.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,426.48 : 72,634.28 = 13,371.12 : x
  2. Step 2: Convert to fraction form
    48,426.48/72,634.28 = 13,371.12/x
  3. Step 3: Cross multiply
    48,426.48x = 72,634.28 × 13,371.12
  4. Step 4: Simplify right side
    48,426.48x = 971,201,673.99
  5. Step 5: Solve for x
    x = 971,201,673.99/48,426.48
  6. Step 6: Final answer
    x = 20,055.18

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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.