Home / 48,071.23-72,118.74-19,982.86

Finding the Fourth Proportional to 48,071.23, 72,118.74 and 19,982.86

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Solution

The fourth proportional to 48,071.23, 72,118.74 and 19,982.86 is: 29,979.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,071.23 : 72,118.74 = 19,982.86 : x
  2. Step 2: Convert to fraction form
    48,071.23/72,118.74 = 19,982.86/x
  3. Step 3: Cross multiply
    48,071.23x = 72,118.74 × 19,982.86
  4. Step 4: Simplify right side
    48,071.23x = 1,441,138,684.80
  5. Step 5: Solve for x
    x = 1,441,138,684.80/48,071.23
  6. Step 6: Final answer
    x = 29,979.23

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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.