Home / 35,117.64-48,487.73-21,707.28

Finding the Fourth Proportional to 35,117.64, 48,487.73 and 21,707.28

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Solution

The fourth proportional to 35,117.64, 48,487.73 and 21,707.28 is: 29,971.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,117.64 : 48,487.73 = 21,707.28 : x
  2. Step 2: Convert to fraction form
    35,117.64/48,487.73 = 21,707.28/x
  3. Step 3: Cross multiply
    35,117.64x = 48,487.73 × 21,707.28
  4. Step 4: Simplify right side
    35,117.64x = 1,052,536,623.14
  5. Step 5: Solve for x
    x = 1,052,536,623.14/35,117.64
  6. Step 6: Final answer
    x = 29,971.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.