Home / 42,107.92-63,119.64-14,386.96

Finding the Fourth Proportional to 42,107.92, 63,119.64 and 14,386.96

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Solution

The fourth proportional to 42,107.92, 63,119.64 and 14,386.96 is: 21,566.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,107.92 : 63,119.64 = 14,386.96 : x
  2. Step 2: Convert to fraction form
    42,107.92/63,119.64 = 14,386.96/x
  3. Step 3: Cross multiply
    42,107.92x = 63,119.64 × 14,386.96
  4. Step 4: Simplify right side
    42,107.92x = 908,099,735.89
  5. Step 5: Solve for x
    x = 908,099,735.89/42,107.92
  6. Step 6: Final answer
    x = 21,566.01

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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.