Home / 42,102.45-62,967.78-37,455.21

Finding the Fourth Proportional to 42,102.45, 62,967.78 and 37,455.21

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Solution

The fourth proportional to 42,102.45, 62,967.78 and 37,455.21 is: 56,017.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,102.45 : 62,967.78 = 37,455.21 : x
  2. Step 2: Convert to fraction form
    42,102.45/62,967.78 = 37,455.21/x
  3. Step 3: Cross multiply
    42,102.45x = 62,967.78 × 37,455.21
  4. Step 4: Simplify right side
    42,102.45x = 2,358,471,423.13
  5. Step 5: Solve for x
    x = 2,358,471,423.13/42,102.45
  6. Step 6: Final answer
    x = 56,017.44

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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.