Home / 51,178.33-70,631.29-28,521.01

Finding the Fourth Proportional to 51,178.33, 70,631.29 and 28,521.01

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Solution

The fourth proportional to 51,178.33, 70,631.29 and 28,521.01 is: 39,361.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,178.33 : 70,631.29 = 28,521.01 : x
  2. Step 2: Convert to fraction form
    51,178.33/70,631.29 = 28,521.01/x
  3. Step 3: Cross multiply
    51,178.33x = 70,631.29 × 28,521.01
  4. Step 4: Simplify right side
    51,178.33x = 2,014,475,728.40
  5. Step 5: Solve for x
    x = 2,014,475,728.40/51,178.33
  6. Step 6: Final answer
    x = 39,361.89

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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.