Home / 48,138.17-72,206.98-13,077.81

Finding the Fourth Proportional to 48,138.17, 72,206.98 and 13,077.81

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Solution

The fourth proportional to 48,138.17, 72,206.98 and 13,077.81 is: 19,616.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,138.17 : 72,206.98 = 13,077.81 : x
  2. Step 2: Convert to fraction form
    48,138.17/72,206.98 = 13,077.81/x
  3. Step 3: Cross multiply
    48,138.17x = 72,206.98 × 13,077.81
  4. Step 4: Simplify right side
    48,138.17x = 944,309,132.42
  5. Step 5: Solve for x
    x = 944,309,132.42/48,138.17
  6. Step 6: Final answer
    x = 19,616.64

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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.