Home / 58,442.18-87,607.78-18,971.69

Finding the Fourth Proportional to 58,442.18, 87,607.78 and 18,971.69

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Solution

The fourth proportional to 58,442.18, 87,607.78 and 18,971.69 is: 28,439.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,442.18 : 87,607.78 = 18,971.69 : x
  2. Step 2: Convert to fraction form
    58,442.18/87,607.78 = 18,971.69/x
  3. Step 3: Cross multiply
    58,442.18x = 87,607.78 × 18,971.69
  4. Step 4: Simplify right side
    58,442.18x = 1,662,067,158.28
  5. Step 5: Solve for x
    x = 1,662,067,158.28/58,442.18
  6. Step 6: Final answer
    x = 28,439.52

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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.