Home / 51,448.37-70,999.01-28,787.40

Finding the Fourth Proportional to 51,448.37, 70,999.01 and 28,787.40

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Solution

The fourth proportional to 51,448.37, 70,999.01 and 28,787.40 is: 39,726.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,448.37 : 70,999.01 = 28,787.40 : x
  2. Step 2: Convert to fraction form
    51,448.37/70,999.01 = 28,787.40/x
  3. Step 3: Cross multiply
    51,448.37x = 70,999.01 × 28,787.40
  4. Step 4: Simplify right side
    51,448.37x = 2,043,877,026.42
  5. Step 5: Solve for x
    x = 2,043,877,026.42/51,448.37
  6. Step 6: Final answer
    x = 39,726.76

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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.