Home / 35,161.08-52,724.64-12,984.96

Finding the Fourth Proportional to 35,161.08, 52,724.64 and 12,984.96

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Solution

The fourth proportional to 35,161.08, 52,724.64 and 12,984.96 is: 19,471.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,161.08 : 52,724.64 = 12,984.96 : x
  2. Step 2: Convert to fraction form
    35,161.08/52,724.64 = 12,984.96/x
  3. Step 3: Cross multiply
    35,161.08x = 52,724.64 × 12,984.96
  4. Step 4: Simplify right side
    35,161.08x = 684,627,341.41
  5. Step 5: Solve for x
    x = 684,627,341.41/35,161.08
  6. Step 6: Final answer
    x = 19,471.17

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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.