Home / 48,643.12-72,964.23-13,582.72

Finding the Fourth Proportional to 48,643.12, 72,964.23 and 13,582.72

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Solution

The fourth proportional to 48,643.12, 72,964.23 and 13,582.72 is: 20,373.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,643.12 : 72,964.23 = 13,582.72 : x
  2. Step 2: Convert to fraction form
    48,643.12/72,964.23 = 13,582.72/x
  3. Step 3: Cross multiply
    48,643.12x = 72,964.23 × 13,582.72
  4. Step 4: Simplify right side
    48,643.12x = 991,052,706.11
  5. Step 5: Solve for x
    x = 991,052,706.11/48,643.12
  6. Step 6: Final answer
    x = 20,373.95

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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.