Home / 42,015.92-63,032.99-12,435.83

Finding the Fourth Proportional to 42,015.92, 63,032.99 and 12,435.83

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Solution

The fourth proportional to 42,015.92, 63,032.99 and 12,435.83 is: 18,656.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,015.92 : 63,032.99 = 12,435.83 : x
  2. Step 2: Convert to fraction form
    42,015.92/63,032.99 = 12,435.83/x
  3. Step 3: Cross multiply
    42,015.92x = 63,032.99 × 12,435.83
  4. Step 4: Simplify right side
    42,015.92x = 783,867,407.06
  5. Step 5: Solve for x
    x = 783,867,407.06/42,015.92
  6. Step 6: Final answer
    x = 18,656.44

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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.