Home / 37,312.79-55,985.58-12,356.42

Finding the Fourth Proportional to 37,312.79, 55,985.58 and 12,356.42

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Solution

The fourth proportional to 37,312.79, 55,985.58 and 12,356.42 is: 18,540.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,312.79 : 55,985.58 = 12,356.42 : x
  2. Step 2: Convert to fraction form
    37,312.79/55,985.58 = 12,356.42/x
  3. Step 3: Cross multiply
    37,312.79x = 55,985.58 × 12,356.42
  4. Step 4: Simplify right side
    37,312.79x = 691,781,060.50
  5. Step 5: Solve for x
    x = 691,781,060.50/37,312.79
  6. Step 6: Final answer
    x = 18,540.05

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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.