Home / 51,528.57-77,322.08-21,943.32

Finding the Fourth Proportional to 51,528.57, 77,322.08 and 21,943.32

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Solution

The fourth proportional to 51,528.57, 77,322.08 and 21,943.32 is: 32,927.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,528.57 : 77,322.08 = 21,943.32 : x
  2. Step 2: Convert to fraction form
    51,528.57/77,322.08 = 21,943.32/x
  3. Step 3: Cross multiply
    51,528.57x = 77,322.08 × 21,943.32
  4. Step 4: Simplify right side
    51,528.57x = 1,696,703,144.51
  5. Step 5: Solve for x
    x = 1,696,703,144.51/51,528.57
  6. Step 6: Final answer
    x = 32,927.43

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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.