Home / 48,449.97-72,679.11-13,389.63

Finding the Fourth Proportional to 48,449.97, 72,679.11 and 13,389.63

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Solution

The fourth proportional to 48,449.97, 72,679.11 and 13,389.63 is: 20,085.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,449.97 : 72,679.11 = 13,389.63 : x
  2. Step 2: Convert to fraction form
    48,449.97/72,679.11 = 13,389.63/x
  3. Step 3: Cross multiply
    48,449.97x = 72,679.11 × 13,389.63
  4. Step 4: Simplify right side
    48,449.97x = 973,146,068.87
  5. Step 5: Solve for x
    x = 973,146,068.87/48,449.97
  6. Step 6: Final answer
    x = 20,085.59

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1.5x scale

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.