Home / 56,709.17-78,258.04-31,214.99

Finding the Fourth Proportional to 56,709.17, 78,258.04 and 31,214.99

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Solution

The fourth proportional to 56,709.17, 78,258.04 and 31,214.99 is: 43,076.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,709.17 : 78,258.04 = 31,214.99 : x
  2. Step 2: Convert to fraction form
    56,709.17/78,258.04 = 31,214.99/x
  3. Step 3: Cross multiply
    56,709.17x = 78,258.04 × 31,214.99
  4. Step 4: Simplify right side
    56,709.17x = 2,442,823,936.02
  5. Step 5: Solve for x
    x = 2,442,823,936.02/56,709.17
  6. Step 6: Final answer
    x = 43,076.35

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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.