Home / 56,705.57-84,947.64-34,463.78

Finding the Fourth Proportional to 56,705.57, 84,947.64 and 34,463.78

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Solution

The fourth proportional to 56,705.57, 84,947.64 and 34,463.78 is: 51,628.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,705.57 : 84,947.64 = 34,463.78 : x
  2. Step 2: Convert to fraction form
    56,705.57/84,947.64 = 34,463.78/x
  3. Step 3: Cross multiply
    56,705.57x = 84,947.64 × 34,463.78
  4. Step 4: Simplify right side
    56,705.57x = 2,927,616,541.06
  5. Step 5: Solve for x
    x = 2,927,616,541.06/56,705.57
  6. Step 6: Final answer
    x = 51,628.38

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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.