Home / 51,310.02-70,788.33-31,159.29

Finding the Fourth Proportional to 51,310.02, 70,788.33 and 31,159.29

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Solution

The fourth proportional to 51,310.02, 70,788.33 and 31,159.29 is: 42,987.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,310.02 : 70,788.33 = 31,159.29 : x
  2. Step 2: Convert to fraction form
    51,310.02/70,788.33 = 31,159.29/x
  3. Step 3: Cross multiply
    51,310.02x = 70,788.33 × 31,159.29
  4. Step 4: Simplify right side
    51,310.02x = 2,205,714,103.09
  5. Step 5: Solve for x
    x = 2,205,714,103.09/51,310.02
  6. Step 6: Final answer
    x = 42,987.98

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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.