Home / 48,660.63-72,987.30-13,603.02

Finding the Fourth Proportional to 48,660.63, 72,987.30 and 13,603.02

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Solution

The fourth proportional to 48,660.63, 72,987.30 and 13,603.02 is: 20,403.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,660.63 : 72,987.30 = 13,603.02 : x
  2. Step 2: Convert to fraction form
    48,660.63/72,987.30 = 13,603.02/x
  3. Step 3: Cross multiply
    48,660.63x = 72,987.30 × 13,603.02
  4. Step 4: Simplify right side
    48,660.63x = 992,847,701.65
  5. Step 5: Solve for x
    x = 992,847,701.65/48,660.63
  6. Step 6: Final answer
    x = 20,403.51

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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.