Home / 43,314.82-64,935.78-21,116.77

Finding the Fourth Proportional to 43,314.82, 64,935.78 and 21,116.77

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Solution

The fourth proportional to 43,314.82, 64,935.78 and 21,116.77 is: 31,657.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,314.82 : 64,935.78 = 21,116.77 : x
  2. Step 2: Convert to fraction form
    43,314.82/64,935.78 = 21,116.77/x
  3. Step 3: Cross multiply
    43,314.82x = 64,935.78 × 21,116.77
  4. Step 4: Simplify right side
    43,314.82x = 1,371,233,931.03
  5. Step 5: Solve for x
    x = 1,371,233,931.03/43,314.82
  6. Step 6: Final answer
    x = 31,657.38

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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.