Home / 51,392.02-70,919.49-28,731.06

Finding the Fourth Proportional to 51,392.02, 70,919.49 and 28,731.06

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Solution

The fourth proportional to 51,392.02, 70,919.49 and 28,731.06 is: 39,648.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,392.02 : 70,919.49 = 28,731.06 : x
  2. Step 2: Convert to fraction form
    51,392.02/70,919.49 = 28,731.06/x
  3. Step 3: Cross multiply
    51,392.02x = 70,919.49 × 28,731.06
  4. Step 4: Simplify right side
    51,392.02x = 2,037,592,122.36
  5. Step 5: Solve for x
    x = 2,037,592,122.36/51,392.02
  6. Step 6: Final answer
    x = 39,648.03

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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.