Home / 48,122.77-72,187.80-13,065.16

Finding the Fourth Proportional to 48,122.77, 72,187.80 and 13,065.16

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Solution

The fourth proportional to 48,122.77, 72,187.80 and 13,065.16 is: 19,598.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,122.77 : 72,187.80 = 13,065.16 : x
  2. Step 2: Convert to fraction form
    48,122.77/72,187.80 = 13,065.16/x
  3. Step 3: Cross multiply
    48,122.77x = 72,187.80 × 13,065.16
  4. Step 4: Simplify right side
    48,122.77x = 943,145,157.05
  5. Step 5: Solve for x
    x = 943,145,157.05/48,122.77
  6. Step 6: Final answer
    x = 19,598.73

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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.