Home / 48,985.84-73,442.58-15,686.64

Finding the Fourth Proportional to 48,985.84, 73,442.58 and 15,686.64

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Solution

The fourth proportional to 48,985.84, 73,442.58 and 15,686.64 is: 23,518.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,985.84 : 73,442.58 = 15,686.64 : x
  2. Step 2: Convert to fraction form
    48,985.84/73,442.58 = 15,686.64/x
  3. Step 3: Cross multiply
    48,985.84x = 73,442.58 × 15,686.64
  4. Step 4: Simplify right side
    48,985.84x = 1,152,067,313.13
  5. Step 5: Solve for x
    x = 1,152,067,313.13/48,985.84
  6. Step 6: Final answer
    x = 23,518.37

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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.