Home / 42,657.35-63,998.32-13,079.55

Finding the Fourth Proportional to 42,657.35, 63,998.32 and 13,079.55

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Solution

The fourth proportional to 42,657.35, 63,998.32 and 13,079.55 is: 19,623.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,657.35 : 63,998.32 = 13,079.55 : x
  2. Step 2: Convert to fraction form
    42,657.35/63,998.32 = 13,079.55/x
  3. Step 3: Cross multiply
    42,657.35x = 63,998.32 × 13,079.55
  4. Step 4: Simplify right side
    42,657.35x = 837,068,906.36
  5. Step 5: Solve for x
    x = 837,068,906.36/42,657.35
  6. Step 6: Final answer
    x = 19,623.09

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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.