Home / 37,763.60-56,654.04-21,115.40

Finding the Fourth Proportional to 37,763.60, 56,654.04 and 21,115.40

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Solution

The fourth proportional to 37,763.60, 56,654.04 and 21,115.40 is: 31,677.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,763.60 : 56,654.04 = 21,115.40 : x
  2. Step 2: Convert to fraction form
    37,763.60/56,654.04 = 21,115.40/x
  3. Step 3: Cross multiply
    37,763.60x = 56,654.04 × 21,115.40
  4. Step 4: Simplify right side
    37,763.60x = 1,196,272,716.22
  5. Step 5: Solve for x
    x = 1,196,272,716.22/37,763.60
  6. Step 6: Final answer
    x = 31,677.93

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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.