Home / 48,105.18-72,157.80-13,044.84

Finding the Fourth Proportional to 48,105.18, 72,157.80 and 13,044.84

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Solution

The fourth proportional to 48,105.18, 72,157.80 and 13,044.84 is: 19,567.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,105.18 : 72,157.80 = 13,044.84 : x
  2. Step 2: Convert to fraction form
    48,105.18/72,157.80 = 13,044.84/x
  3. Step 3: Cross multiply
    48,105.18x = 72,157.80 × 13,044.84
  4. Step 4: Simplify right side
    48,105.18x = 941,286,955.75
  5. Step 5: Solve for x
    x = 941,286,955.75/48,105.18
  6. Step 6: Final answer
    x = 19,567.27

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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.