Home / 37,810.10-56,720.55-12,851.30

Finding the Fourth Proportional to 37,810.10, 56,720.55 and 12,851.30

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Solution

The fourth proportional to 37,810.10, 56,720.55 and 12,851.30 is: 19,278.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,810.10 : 56,720.55 = 12,851.30 : x
  2. Step 2: Convert to fraction form
    37,810.10/56,720.55 = 12,851.30/x
  3. Step 3: Cross multiply
    37,810.10x = 56,720.55 × 12,851.30
  4. Step 4: Simplify right side
    37,810.10x = 728,932,804.22
  5. Step 5: Solve for x
    x = 728,932,804.22/37,810.10
  6. Step 6: Final answer
    x = 19,278.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.