Home / 37,830.80-56,752.32-12,873.08

Finding the Fourth Proportional to 37,830.80, 56,752.32 and 12,873.08

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Solution

The fourth proportional to 37,830.80, 56,752.32 and 12,873.08 is: 19,311.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,830.80 : 56,752.32 = 12,873.08 : x
  2. Step 2: Convert to fraction form
    37,830.80/56,752.32 = 12,873.08/x
  3. Step 3: Cross multiply
    37,830.80x = 56,752.32 × 12,873.08
  4. Step 4: Simplify right side
    37,830.80x = 730,577,155.55
  5. Step 5: Solve for x
    x = 730,577,155.55/37,830.80
  6. Step 6: Final answer
    x = 19,311.70

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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.