Home / 37,811.86-56,720.40-12,841.72

Finding the Fourth Proportional to 37,811.86, 56,720.40 and 12,841.72

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Solution

The fourth proportional to 37,811.86, 56,720.40 and 12,841.72 is: 19,263.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,811.86 : 56,720.40 = 12,841.72 : x
  2. Step 2: Convert to fraction form
    37,811.86/56,720.40 = 12,841.72/x
  3. Step 3: Cross multiply
    37,811.86x = 56,720.40 × 12,841.72
  4. Step 4: Simplify right side
    37,811.86x = 728,387,495.09
  5. Step 5: Solve for x
    x = 728,387,495.09/37,811.86
  6. Step 6: Final answer
    x = 19,263.47

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1.5x scale

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.