Home / 51,154.70-70,582.35-31,016.53

Finding the Fourth Proportional to 51,154.70, 70,582.35 and 31,016.53

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Solution

The fourth proportional to 51,154.70, 70,582.35 and 31,016.53 is: 42,796.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,154.70 : 70,582.35 = 31,016.53 : x
  2. Step 2: Convert to fraction form
    51,154.70/70,582.35 = 31,016.53/x
  3. Step 3: Cross multiply
    51,154.70x = 70,582.35 × 31,016.53
  4. Step 4: Simplify right side
    51,154.70x = 2,189,219,283.48
  5. Step 5: Solve for x
    x = 2,189,219,283.48/51,154.70
  6. Step 6: Final answer
    x = 42,796.05

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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.