Home / 48,128.72-72,188.32-14,839.80

Finding the Fourth Proportional to 48,128.72, 72,188.32 and 14,839.80

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Solution

The fourth proportional to 48,128.72, 72,188.32 and 14,839.80 is: 22,258.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,128.72 : 72,188.32 = 14,839.80 : x
  2. Step 2: Convert to fraction form
    48,128.72/72,188.32 = 14,839.80/x
  3. Step 3: Cross multiply
    48,128.72x = 72,188.32 × 14,839.80
  4. Step 4: Simplify right side
    48,128.72x = 1,071,260,231.14
  5. Step 5: Solve for x
    x = 1,071,260,231.14/48,128.72
  6. Step 6: Final answer
    x = 22,258.23

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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.